[deliverable/linux.git] / drivers / net / wireless / ath / ath9k / gpio.c

/*
 * 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_led_brightness(struct led_classdev *led_cdev,
			       enum led_brightness brightness)
{
	struct ath_softc *sc = container_of(led_cdev, struct ath_softc, led_cdev);
	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, (brightness == LED_OFF));
}

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);
}

void ath_init_leds(struct ath_softc *sc)
{
	int ret;

	if (AR_SREV_9100(sc->sc_ah))
		return;

	if (!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;
}

void ath_fill_led_pin(struct ath_softc *sc)
{
	struct ath_hw *ah = sc->sc_ah;

	if (AR_SREV_9100(ah) || (ah->led_pin >= 0))
		return;

	if (AR_SREV_9287(ah))
		ah->led_pin = ATH_LED_PIN_9287;
	else if (AR_SREV_9485(sc->sc_ah))
		ah->led_pin = ATH_LED_PIN_9485;
	else if (AR_SREV_9300(sc->sc_ah))
		ah->led_pin = ATH_LED_PIN_9300;
	else if (AR_SREV_9462(sc->sc_ah) || AR_SREV_9565(sc->sc_ah))
		ah->led_pin = ATH_LED_PIN_9462;
	else
		ah->led_pin = ATH_LED_PIN_DEF;

	/* Configure gpio 1 for output */
	ath9k_hw_cfg_output(ah, ah->led_pin, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);

	/* LED off, active low */
	ath9k_hw_set_gpio(ah, ah->led_pin, 1);
}
#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 ath9k_gen_timer_start(struct ath_hw *ah,
				  struct ath_gen_timer *timer,
				  u32 trig_timeout,
				  u32 timer_period)
{
	ath9k_hw_gen_timer_start(ah, timer, trig_timeout, timer_period);

	if ((ah->imask & ATH9K_INT_GENTIMER) == 0) {
		ath9k_hw_disable_interrupts(ah);
		ah->imask |= ATH9K_INT_GENTIMER;
		ath9k_hw_set_interrupts(ah);
		ath9k_hw_enable_interrupts(ah);
	}
}

static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
{
	struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;

	ath9k_hw_gen_timer_stop(ah, timer);

	/* if no timer is enabled, turn off interrupt mask */
	if (timer_table->timer_mask.val == 0) {
		ath9k_hw_disable_interrupts(ah);
		ah->imask &= ~ATH9K_INT_GENTIMER;
		ath9k_hw_set_interrupts(ah);
		ath9k_hw_enable_interrupts(ah);
	}
}

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(unsigned long data)
{
	struct ath_softc *sc = (struct ath_softc *) data;
	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_mci_update_rssi(sc);

	ath9k_ps_wakeup(sc);

	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
		ath_detect_bt_priority(sc);

	if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
		ath_mci_ftp_adjust(sc);

	spin_lock_bh(&btcoex->btcoex_lock);

	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);

	/*
	 * btcoex_period is in msec while (btocex/btscan_)no_stomp are in usec,
	 * ensure that we properly convert btcoex_period to usec
	 * for any comparision with (btcoex/btscan_)no_stomp.
	 */
	if (btcoex->btcoex_period * 1000 != btcoex->btcoex_no_stomp) {
		if (btcoex->hw_timer_enabled)
			ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);

		ath9k_gen_timer_start(ah, btcoex->no_stomp_timer, timer_period,
				      timer_period * 10);
		btcoex->hw_timer_enabled = true;
	}

	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(void *arg)
{
	struct ath_softc *sc = (struct ath_softc *)arg;
	struct ath_hw *ah = sc->sc_ah;
	struct ath_btcoex *btcoex = &sc->btcoex;
	struct ath_common *common = ath9k_hw_common(ah);

	ath_dbg(common, BTCOEX, "no stomp timer running\n");

	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 int 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) * 1000 *
		btcoex->btcoex_period / 100;
	btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * 1000 *
				   btcoex->btcoex_period / 100;

	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
			(unsigned long) sc);

	spin_lock_init(&btcoex->btcoex_lock);

	btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah,
			ath_btcoex_no_stomp_timer,
			ath_btcoex_no_stomp_timer,
			(void *) sc, AR_FIRST_NDP_TIMER);

	if (!btcoex->no_stomp_timer)
		return -ENOMEM;

	return 0;
}

/*
 * (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;

	ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n");

	/* make sure duty cycle timer is also stopped when resuming */
	if (btcoex->hw_timer_enabled) {
		ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
		btcoex->hw_timer_enabled = false;
	}

	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;

	del_timer_sync(&btcoex->period_timer);

	if (btcoex->hw_timer_enabled) {
		ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
		btcoex->hw_timer_enabled = false;
	}
}

void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
{
	struct ath_btcoex *btcoex = &sc->btcoex;

	if (btcoex->hw_timer_enabled) {
		ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
		btcoex->hw_timer_enabled = false;
	}
}

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)
{
	struct ath_hw *ah = sc->sc_ah;

	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
		if (status & ATH9K_INT_GENTIMER)
			ath_gen_timer_isr(sc->sc_ah);

	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 ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
	    !ah->btcoex_hw.enabled) {
		if (!(sc->sc_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);

		if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
			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) {
		if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
			ath9k_btcoex_timer_pause(sc);
		ath9k_hw_btcoex_disable(ah);
		if (AR_SREV_9462(ah) || AR_SREV_9565(ah))
			ath_mci_flush_profile(&sc->btcoex.mci);
	}
}

void ath9k_deinit_btcoex(struct ath_softc *sc)
{
	struct ath_hw *ah = sc->sc_ah;

        if ((sc->btcoex.no_stomp_timer) &&
	    ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_3WIRE)
		ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer);

	if (ath9k_hw_mci_is_enabled(ah))
		ath_mci_cleanup(sc);
}

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);
		r = ath_init_btcoex_timer(sc);
		if (r)
			return -1;
		txq = sc->tx.txq_map[WME_AC_BE];
		ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum);
		sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
		if (ath9k_hw_mci_is_enabled(ah)) {
			sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
			INIT_LIST_HEAD(&sc->btcoex.mci.info);

			r = ath_mci_setup(sc);
			if (r)
				return r;

			ath9k_hw_btcoex_init_mci(ah);
		}

		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 += snprintf(buf + len, size - len, "BT Weights: ");
	for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
		len += snprintf(buf + len, size - len, "%08x ",
				btcoex_hw->bt_weight[i]);
	len += snprintf(buf + len, size - len, "\n");
	len += snprintf(buf + len, size - len, "WLAN Weights: ");
	for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
		len += snprintf(buf + len, size - len, "%08x ",
				btcoex_hw->wlan_weight[i]);
	len += snprintf(buf + len, size - len, "\n");
	len += snprintf(buf + len, size - len, "Tx Priorities: ");
	for (i = 0; i < ATH_BTCOEX_STOMP_MAX; i++)
		len += snprintf(buf + len, size - len, "%08x ",
				btcoex_hw->tx_prio[i]);

	len += snprintf(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 */
Commit	Line	Data
0fca65c1	1	/*
5b68138e	2	* Copyright (c) 2008-2011 Atheros Communications Inc.
0fca65c1 S	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	11	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	13	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	14	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#include "ath9k.h"
	18
	19	/********************************/
	20	/* LED functions */
	21	/********************************/
	22
0cf55c21	23	#ifdef CONFIG_MAC80211_LEDS
0fca65c1 S	24	static void ath_led_brightness(struct led_classdev *led_cdev,
	25	enum led_brightness brightness)
	26	{
0cf55c21 FF	27	struct ath_softc *sc = container_of(led_cdev, struct ath_softc, led_cdev);
0cf55c21 FF	28	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, (brightness == LED_OFF));
0fca65c1 S	29	}
	30
	31	void ath_deinit_leds(struct ath_softc *sc)
	32	{
0cf55c21 FF	33	if (!sc->led_registered)
	34	return;
	35
	36	ath_led_brightness(&sc->led_cdev, LED_OFF);
	37	led_classdev_unregister(&sc->led_cdev);
0fca65c1 S	38	}
	39
	40	void ath_init_leds(struct ath_softc *sc)
	41	{
0fca65c1 S	42	int ret;
0fca65c1 S	43
7b27ba4e FF	44	if (AR_SREV_9100(sc->sc_ah))
	45	return;
	46
0cf55c21 FF	47	if (!led_blink)
	48	sc->led_cdev.default_trigger =
	49	ieee80211_get_radio_led_name(sc->hw);
	50
	51	snprintf(sc->led_name, sizeof(sc->led_name),
	52	"ath9k-%s", wiphy_name(sc->hw->wiphy));
	53	sc->led_cdev.name = sc->led_name;
	54	sc->led_cdev.brightness_set = ath_led_brightness;
	55
	56	ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev);
	57	if (ret < 0)
	58	return;
	59
	60	sc->led_registered = true;
0fca65c1	61	}
8f176a3a RM	62
	63	void ath_fill_led_pin(struct ath_softc *sc)
	64	{
	65	struct ath_hw *ah = sc->sc_ah;
	66
	67	if (AR_SREV_9100(ah) \|\| (ah->led_pin >= 0))
	68	return;
	69
	70	if (AR_SREV_9287(ah))
	71	ah->led_pin = ATH_LED_PIN_9287;
	72	else if (AR_SREV_9485(sc->sc_ah))
	73	ah->led_pin = ATH_LED_PIN_9485;
	74	else if (AR_SREV_9300(sc->sc_ah))
	75	ah->led_pin = ATH_LED_PIN_9300;
	76	else if (AR_SREV_9462(sc->sc_ah) \|\| AR_SREV_9565(sc->sc_ah))
	77	ah->led_pin = ATH_LED_PIN_9462;
	78	else
	79	ah->led_pin = ATH_LED_PIN_DEF;
	80
	81	/* Configure gpio 1 for output */
	82	ath9k_hw_cfg_output(ah, ah->led_pin, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	83
	84	/* LED off, active low */
	85	ath9k_hw_set_gpio(ah, ah->led_pin, 1);
	86	}
0cf55c21	87	#endif
0fca65c1 S	88
	89	/*******************/
	90	/* Rfkill */
	91	/*******************/
	92
	93	static bool ath_is_rfkill_set(struct ath_softc *sc)
	94	{
	95	struct ath_hw *ah = sc->sc_ah;
90826313	96	bool is_blocked;
0fca65c1	97
90826313 MSS	98	ath9k_ps_wakeup(sc);
90826313 MSS	99	is_blocked = ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
0fca65c1	100	ah->rfkill_polarity;
90826313 MSS	101	ath9k_ps_restore(sc);
	102
	103	return is_blocked;
0fca65c1 S	104	}
	105
	106	void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
	107	{
9ac58615	108	struct ath_softc *sc = hw->priv;
0fca65c1 S	109	bool blocked = !!ath_is_rfkill_set(sc);
	110
	111	wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
	112	}
	113
	114	void ath_start_rfkill_poll(struct ath_softc *sc)
	115	{
	116	struct ath_hw *ah = sc->sc_ah;
	117
	118	if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
	119	wiphy_rfkill_start_polling(sc->hw->wiphy);
	120	}
	121
4daa7760 SM	122	#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
4daa7760 SM	123
0fca65c1 S	124	/******************/
	125	/* BTCOEX */
	126	/******************/
	127
	128	/*
	129	* Detects if there is any priority bt traffic
	130	*/
	131	static void ath_detect_bt_priority(struct ath_softc *sc)
	132	{
	133	struct ath_btcoex *btcoex = &sc->btcoex;
	134	struct ath_hw *ah = sc->sc_ah;
	135
	136	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
	137	btcoex->bt_priority_cnt++;
	138
	139	if (time_after(jiffies, btcoex->bt_priority_time +
	140	msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
e6930c4b SM	141	clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
e6930c4b SM	142	clear_bit(BT_OP_SCAN, &btcoex->op_flags);
58da1318 VT	143	/* Detect if colocated bt started scanning */
58da1318 VT	144	if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) {
d2182b69	145	ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX,
226afe68	146	"BT scan detected\n");
e6930c4b SM	147	set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
e6930c4b SM	148	set_bit(BT_OP_SCAN, &btcoex->op_flags);
58da1318	149	} else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
d2182b69	150	ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX,
226afe68	151	"BT priority traffic detected\n");
e6930c4b	152	set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
0fca65c1 S	153	}
	154
	155	btcoex->bt_priority_cnt = 0;
	156	btcoex->bt_priority_time = jiffies;
	157	}
	158	}
	159
0fca65c1 S	160	static void ath9k_gen_timer_start(struct ath_hw *ah,
0fca65c1 S	161	struct ath_gen_timer *timer,
788f6875	162	u32 trig_timeout,
0fca65c1 S	163	u32 timer_period)
0fca65c1 S	164	{
788f6875	165	ath9k_hw_gen_timer_start(ah, timer, trig_timeout, timer_period);
0fca65c1	166
3069168c	167	if ((ah->imask & ATH9K_INT_GENTIMER) == 0) {
4df3071e	168	ath9k_hw_disable_interrupts(ah);
3069168c	169	ah->imask \|= ATH9K_INT_GENTIMER;
72d874c6	170	ath9k_hw_set_interrupts(ah);
b037b693	171	ath9k_hw_enable_interrupts(ah);
0fca65c1 S	172	}
	173	}
	174
	175	static void ath9k_gen_timer_stop(struct ath_hw ah, struct ath_gen_timer timer)
	176	{
0fca65c1 S	177	struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
	178
	179	ath9k_hw_gen_timer_stop(ah, timer);
	180
	181	/* if no timer is enabled, turn off interrupt mask */
	182	if (timer_table->timer_mask.val == 0) {
4df3071e	183	ath9k_hw_disable_interrupts(ah);
3069168c	184	ah->imask &= ~ATH9K_INT_GENTIMER;
72d874c6	185	ath9k_hw_set_interrupts(ah);
b037b693	186	ath9k_hw_enable_interrupts(ah);
0fca65c1 S	187	}
	188	}
	189
78b1775b SM	190	static void ath_mci_ftp_adjust(struct ath_softc *sc)
	191	{
	192	struct ath_btcoex *btcoex = &sc->btcoex;
	193	struct ath_mci_profile *mci = &btcoex->mci;
	194	struct ath_hw *ah = sc->sc_ah;
	195
78b1775b SM	196	if (btcoex->bt_wait_time > ATH_BTCOEX_RX_WAIT_TIME) {
	197	if (ar9003_mci_state(ah, MCI_STATE_NEED_FTP_STOMP) &&
	198	(mci->num_pan \|\| mci->num_other_acl))
	199	ah->btcoex_hw.mci.stomp_ftp =
	200	(sc->rx.num_pkts < ATH_BTCOEX_STOMP_FTP_THRESH);
	201	else
	202	ah->btcoex_hw.mci.stomp_ftp = false;
	203	btcoex->bt_wait_time = 0;
	204	sc->rx.num_pkts = 0;
	205	}
	206	}
	207
0fca65c1 S	208	/*
	209	* This is the master bt coex timer which runs for every
	210	* 45ms, bt traffic will be given priority during 55% of this
	211	* period while wlan gets remaining 45%
	212	*/
	213	static void ath_btcoex_period_timer(unsigned long data)
	214	{
	215	struct ath_softc sc = (struct ath_softc ) data;
	216	struct ath_hw *ah = sc->sc_ah;
	217	struct ath_btcoex *btcoex = &sc->btcoex;
750f32cf	218	enum ath_stomp_type stomp_type;
58da1318	219	u32 timer_period;
08d4df41 RM	220	unsigned long flags;
	221
	222	spin_lock_irqsave(&sc->sc_pm_lock, flags);
	223	if (sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP) {
be41b052	224	btcoex->bt_wait_time += btcoex->btcoex_period;
08d4df41 RM	225	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
	226	goto skip_hw_wakeup;
	227	}
	228	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
0fca65c1	229
e82cb03f RM	230	ath9k_mci_update_rssi(sc);
e82cb03f RM	231
a039a993	232	ath9k_ps_wakeup(sc);
750f32cf	233
7dc181c2 RM	234	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
7dc181c2 RM	235	ath_detect_bt_priority(sc);
58da1318	236
78b1775b SM	237	if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
78b1775b SM	238	ath_mci_ftp_adjust(sc);
6995fb80	239
0fca65c1 S	240	spin_lock_bh(&btcoex->btcoex_lock);
0fca65c1 S	241
750f32cf SM	242	stomp_type = btcoex->bt_stomp_type;
	243	timer_period = btcoex->btcoex_no_stomp;
	244
	245	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) {
	246	if (test_bit(BT_OP_SCAN, &btcoex->op_flags)) {
	247	stomp_type = ATH_BTCOEX_STOMP_ALL;
	248	timer_period = btcoex->btscan_no_stomp;
	249	}
2884561a RM	250	} else if (btcoex->stomp_audio >= 5) {
	251	stomp_type = ATH_BTCOEX_STOMP_AUDIO;
	252	btcoex->stomp_audio = 0;
750f32cf	253	}
0fca65c1	254
750f32cf	255	ath9k_hw_btcoex_bt_stomp(ah, stomp_type);
bc6d5c29	256	ath9k_hw_btcoex_enable(ah);
750f32cf	257
0fca65c1 S	258	spin_unlock_bh(&btcoex->btcoex_lock);
0fca65c1 S	259
94ae77ea MSS	260	/*
	261	* btcoex_period is in msec while (btocex/btscan_)no_stomp are in usec,
	262	* ensure that we properly convert btcoex_period to usec
	263	* for any comparision with (btcoex/btscan_)no_stomp.
	264	*/
	265	if (btcoex->btcoex_period * 1000 != btcoex->btcoex_no_stomp) {
0fca65c1 S	266	if (btcoex->hw_timer_enabled)
	267	ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
	268
788f6875	269	ath9k_gen_timer_start(ah, btcoex->no_stomp_timer, timer_period,
8eb1dabb	270	timer_period * 10);
0fca65c1 S	271	btcoex->hw_timer_enabled = true;
	272	}
	273
a039a993	274	ath9k_ps_restore(sc);
750f32cf	275
08d4df41	276	skip_hw_wakeup:
750f32cf SM	277	mod_timer(&btcoex->period_timer,
750f32cf SM	278	jiffies + msecs_to_jiffies(btcoex->btcoex_period));
0fca65c1 S	279	}
	280
	281	/*
	282	* Generic tsf based hw timer which configures weight
	283	* registers to time slice between wlan and bt traffic
	284	*/
	285	static void ath_btcoex_no_stomp_timer(void *arg)
	286	{
	287	struct ath_softc sc = (struct ath_softc )arg;
	288	struct ath_hw *ah = sc->sc_ah;
	289	struct ath_btcoex *btcoex = &sc->btcoex;
d99eeb87	290	struct ath_common *common = ath9k_hw_common(ah);
0fca65c1	291
d2182b69	292	ath_dbg(common, BTCOEX, "no stomp timer running\n");
0fca65c1	293
a039a993	294	ath9k_ps_wakeup(sc);
0fca65c1 S	295	spin_lock_bh(&btcoex->btcoex_lock);
0fca65c1 S	296
e6930c4b	297	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW \|\|
750f32cf SM	298	(!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI) &&
750f32cf SM	299	test_bit(BT_OP_SCAN, &btcoex->op_flags)))
978f78bf	300	ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE);
2884561a	301	else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
978f78bf	302	ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW);
0fca65c1	303
bc6d5c29	304	ath9k_hw_btcoex_enable(ah);
0fca65c1	305	spin_unlock_bh(&btcoex->btcoex_lock);
a039a993	306	ath9k_ps_restore(sc);
0fca65c1 S	307	}
0fca65c1 S	308
df198b17	309	static int ath_init_btcoex_timer(struct ath_softc *sc)
0fca65c1 S	310	{
	311	struct ath_btcoex *btcoex = &sc->btcoex;
	312
dfd0587a RM	313	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD;
dfd0587a RM	314	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * 1000 *
0fca65c1	315	btcoex->btcoex_period / 100;
dfd0587a	316	btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * 1000 *
58da1318	317	btcoex->btcoex_period / 100;
0fca65c1 S	318
	319	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
	320	(unsigned long) sc);
	321
	322	spin_lock_init(&btcoex->btcoex_lock);
	323
	324	btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah,
	325	ath_btcoex_no_stomp_timer,
	326	ath_btcoex_no_stomp_timer,
	327	(void *) sc, AR_FIRST_NDP_TIMER);
	328
	329	if (!btcoex->no_stomp_timer)
	330	return -ENOMEM;
	331
	332	return 0;
	333	}
	334
	335	/*
	336	* (Re)start btcoex timers
	337	*/
	338	void ath9k_btcoex_timer_resume(struct ath_softc *sc)
	339	{
	340	struct ath_btcoex *btcoex = &sc->btcoex;
	341	struct ath_hw *ah = sc->sc_ah;
	342
d2182b69	343	ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n");
0fca65c1 S	344
0fca65c1 S	345	/* make sure duty cycle timer is also stopped when resuming */
5418b0f0	346	if (btcoex->hw_timer_enabled) {
0fca65c1	347	ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
5418b0f0 MSS	348	btcoex->hw_timer_enabled = false;
5418b0f0 MSS	349	}
0fca65c1 S	350
	351	btcoex->bt_priority_cnt = 0;
	352	btcoex->bt_priority_time = jiffies;
c11216d1 MSS	353	clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
c11216d1 MSS	354	clear_bit(BT_OP_SCAN, &btcoex->op_flags);
0fca65c1 S	355
	356	mod_timer(&btcoex->period_timer, jiffies);
	357	}
	358
	359
	360	/*
	361	* Pause btcoex timer and bt duty cycle timer
	362	*/
	363	void ath9k_btcoex_timer_pause(struct ath_softc *sc)
	364	{
	365	struct ath_btcoex *btcoex = &sc->btcoex;
	366	struct ath_hw *ah = sc->sc_ah;
	367
	368	del_timer_sync(&btcoex->period_timer);
	369
5418b0f0	370	if (btcoex->hw_timer_enabled) {
0fca65c1	371	ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
5418b0f0 MSS	372	btcoex->hw_timer_enabled = false;
5418b0f0 MSS	373	}
0fca65c1	374	}
5908120f	375
08d4df41 RM	376	void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
	377	{
	378	struct ath_btcoex *btcoex = &sc->btcoex;
	379
5418b0f0	380	if (btcoex->hw_timer_enabled) {
5d9b6f26	381	ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
5418b0f0 MSS	382	btcoex->hw_timer_enabled = false;
5418b0f0 MSS	383	}
08d4df41 RM	384	}
08d4df41 RM	385
c0ac53fa SM	386	u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen)
c0ac53fa SM	387	{
e6930c4b	388	struct ath_btcoex *btcoex = &sc->btcoex;
c0ac53fa SM	389	struct ath_mci_profile *mci = &sc->btcoex.mci;
	390	u16 aggr_limit = 0;
	391
	392	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit)
	393	aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4;
e6930c4b	394	else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags))
c0ac53fa SM	395	aggr_limit = min((max_4ms_framelen * 3) / 8,
	396	(u32)ATH_AMPDU_LIMIT_MAX);
	397
	398	return aggr_limit;
	399	}
	400
56ca0dba SM	401	void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status)
	402	{
	403	struct ath_hw *ah = sc->sc_ah;
	404
	405	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
	406	if (status & ATH9K_INT_GENTIMER)
	407	ath_gen_timer_isr(sc->sc_ah);
	408
9a15858f	409	if (status & ATH9K_INT_MCI)
56ca0dba SM	410	ath_mci_intr(sc);
	411	}
	412
df198b17 SM	413	void ath9k_start_btcoex(struct ath_softc *sc)
	414	{
	415	struct ath_hw *ah = sc->sc_ah;
	416
	417	if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
	418	!ah->btcoex_hw.enabled) {
	419	if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
	420	ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
5160b46f SM	421	AR_STOMP_LOW_WLAN_WGHT, 0);
	422	else
	423	ath9k_hw_btcoex_set_weight(ah, 0, 0,
	424	ATH_BTCOEX_STOMP_NONE);
df198b17 SM	425	ath9k_hw_btcoex_enable(ah);
	426
	427	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
	428	ath9k_btcoex_timer_resume(sc);
	429	}
	430	}
	431
	432	void ath9k_stop_btcoex(struct ath_softc *sc)
	433	{
	434	struct ath_hw *ah = sc->sc_ah;
	435
	436	if (ah->btcoex_hw.enabled &&
	437	ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) {
df198b17 SM	438	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
df198b17 SM	439	ath9k_btcoex_timer_pause(sc);
c32cdbd8	440	ath9k_hw_btcoex_disable(ah);
6a73f507	441	if (AR_SREV_9462(ah) \|\| AR_SREV_9565(ah))
bff2ec2b	442	ath_mci_flush_profile(&sc->btcoex.mci);
df198b17 SM	443	}
	444	}
	445
5908120f SM	446	void ath9k_deinit_btcoex(struct ath_softc *sc)
5908120f SM	447	{
dd89f05a MSS	448	struct ath_hw *ah = sc->sc_ah;
dd89f05a MSS	449
5908120f SM	450	if ((sc->btcoex.no_stomp_timer) &&
	451	ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_3WIRE)
	452	ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer);
	453
dd89f05a	454	if (ath9k_hw_mci_is_enabled(ah))
5908120f SM	455	ath_mci_cleanup(sc);
	456	}
	457
	458	int ath9k_init_btcoex(struct ath_softc *sc)
	459	{
	460	struct ath_txq *txq;
	461	struct ath_hw *ah = sc->sc_ah;
	462	int r;
	463
d68475de SM	464	ath9k_hw_btcoex_init_scheme(ah);
d68475de SM	465
5908120f SM	466	switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) {
	467	case ATH_BTCOEX_CFG_NONE:
	468	break;
	469	case ATH_BTCOEX_CFG_2WIRE:
	470	ath9k_hw_btcoex_init_2wire(sc->sc_ah);
	471	break;
	472	case ATH_BTCOEX_CFG_3WIRE:
	473	ath9k_hw_btcoex_init_3wire(sc->sc_ah);
	474	r = ath_init_btcoex_timer(sc);
	475	if (r)
	476	return -1;
	477	txq = sc->tx.txq_map[WME_AC_BE];
	478	ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum);
	479	sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
81294489	480	if (ath9k_hw_mci_is_enabled(ah)) {
0466e254 RM	481	sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
0466e254 RM	482	INIT_LIST_HEAD(&sc->btcoex.mci.info);
5908120f	483
0466e254 RM	484	r = ath_mci_setup(sc);
	485	if (r)
	486	return r;
5908120f	487
0466e254 RM	488	ath9k_hw_btcoex_init_mci(ah);
0466e254 RM	489	}
5908120f SM	490
	491	break;
	492	default:
	493	WARN_ON(1);
	494	break;
	495	}
	496
	497	return 0;
	498	}
4daa7760	499
ac46ba43	500	static int ath9k_dump_mci_btcoex(struct ath_softc sc, u8 buf, u32 size)
4df50ca8	501	{
4df50ca8 RM	502	struct ath_btcoex *btcoex = &sc->btcoex;
	503	struct ath_mci_profile *mci = &btcoex->mci;
	504	struct ath_hw *ah = sc->sc_ah;
	505	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
ac46ba43	506	u32 len = 0;
4df50ca8 RM	507	int i;
	508
	509	ATH_DUMP_BTCOEX("Total BT profiles", NUM_PROF(mci));
ac46ba43 SM	510	ATH_DUMP_BTCOEX("MGMT", mci->num_mgmt);
	511	ATH_DUMP_BTCOEX("SCO", mci->num_sco);
	512	ATH_DUMP_BTCOEX("A2DP", mci->num_a2dp);
	513	ATH_DUMP_BTCOEX("HID", mci->num_hid);
	514	ATH_DUMP_BTCOEX("PAN", mci->num_pan);
	515	ATH_DUMP_BTCOEX("ACL", mci->num_other_acl);
	516	ATH_DUMP_BTCOEX("BDR", mci->num_bdr);
4df50ca8 RM	517	ATH_DUMP_BTCOEX("Aggr. Limit", mci->aggr_limit);
	518	ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);
	519	ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period);
	520	ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle);
	521	ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time);
	522	ATH_DUMP_BTCOEX("Concurrent Tx", btcoex_hw->mci.concur_tx);
ac46ba43 SM	523	ATH_DUMP_BTCOEX("Concurrent RSSI cnt", btcoex->rssi_count);
ac46ba43 SM	524
4df50ca8 RM	525	len += snprintf(buf + len, size - len, "BT Weights: ");
	526	for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
	527	len += snprintf(buf + len, size - len, "%08x ",
	528	btcoex_hw->bt_weight[i]);
	529	len += snprintf(buf + len, size - len, "\n");
	530	len += snprintf(buf + len, size - len, "WLAN Weights: ");
	531	for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
	532	len += snprintf(buf + len, size - len, "%08x ",
	533	btcoex_hw->wlan_weight[i]);
	534	len += snprintf(buf + len, size - len, "\n");
	535	len += snprintf(buf + len, size - len, "Tx Priorities: ");
	536	for (i = 0; i < ATH_BTCOEX_STOMP_MAX; i++)
	537	len += snprintf(buf + len, size - len, "%08x ",
	538	btcoex_hw->tx_prio[i]);
ac46ba43	539
4df50ca8	540	len += snprintf(buf + len, size - len, "\n");
4df50ca8 RM	541
	542	return len;
	543	}
ac46ba43 SM	544
	545	static int ath9k_dump_legacy_btcoex(struct ath_softc sc, u8 buf, u32 size)
	546	{
	547
	548	struct ath_btcoex *btcoex = &sc->btcoex;
	549	u32 len = 0;
	550
	551	ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);
	552	ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period);
	553	ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle);
	554	ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time);
	555
	556	return len;
	557	}
	558
	559	int ath9k_dump_btcoex(struct ath_softc sc, u8 buf, u32 size)
	560	{
	561	if (ath9k_hw_mci_is_enabled(sc->sc_ah))
	562	return ath9k_dump_mci_btcoex(sc, buf, size);
	563	else
	564	return ath9k_dump_legacy_btcoex(sc, buf, size);
	565	}
	566
4daa7760	567	#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */