Commit 4df50ca8 authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville
Browse files

ath9k: Dump BTCOEX tuning parameters 



Signed-off-by: default avatarRajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent cdbe408d

drivers/net/wireless/ath/ath9k/ath9k.h

+6 −0
Original line number Diff line number Diff line
@@ -494,6 +494,7 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc); 
void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);

u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);

void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);

int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 len, u32 size);

#else

static inline int ath9k_init_btcoex(struct ath_softc *sc)

{
@@ -520,6 +521,11 @@ static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, 
static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)

{

}

static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf,

				    u32 len, u32 size)

{

	return 0;

}

#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */



struct ath9k_wow_pattern {

drivers/net/wireless/ath/ath9k/debug.c

+33 −1
Original line number Diff line number Diff line
@@ -1586,6 +1586,35 @@ static const struct file_operations fops_samps = { 


#endif



#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT

static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,

				size_t count, loff_t *ppos)

{

	struct ath_softc *sc = file->private_data;

	u32 len = 0, size = 1500;

	char *buf;

	size_t retval;



	buf = kzalloc(size, GFP_KERNEL);

	if (buf == NULL)

		return -ENOMEM;



	len = ath9k_dump_btcoex(sc, buf, len, size);



	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);

	kfree(buf);



	return retval;

}



static const struct file_operations fops_btcoex = {

	.read = read_file_btcoex,

	.open = simple_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};

#endif



int ath9k_init_debug(struct ath_hw *ah)

{

	struct ath_common *common = ath9k_hw_common(ah);
@@ -1658,6 +1687,9 @@ int ath9k_init_debug(struct ath_hw *ah) 
			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);

	debugfs_create_file("diversity", S_IRUSR | S_IWUSR,

			    sc->debug.debugfs_phy, sc, &fops_ant_diversity);



#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT

	debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,

			    &fops_btcoex);

#endif

	return 0;

}

drivers/net/wireless/ath/ath9k/gpio.c

+48 −0
Original line number Diff line number Diff line
@@ -494,4 +494,52 @@ int ath9k_init_btcoex(struct ath_softc *sc) 
	return 0;

}



int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 len, u32 size)

{

#define ATH_DUMP_BTCOEX(_s, _val)                                \

	do {                                                     \

		len += snprintf(buf + len, size - len,           \

				"%20s : %10d\n", _s, (_val));    \

	} while (0)



	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;

	int i;



	ATH_DUMP_BTCOEX("Total BT profiles", NUM_PROF(mci));

	ATH_DUMP_BTCOEX("Number of MGMT", mci->num_mgmt);

	ATH_DUMP_BTCOEX("Number of SCO", mci->num_sco);

	ATH_DUMP_BTCOEX("Number of A2DP", mci->num_a2dp);

	ATH_DUMP_BTCOEX("Number of HID", mci->num_hid);

	ATH_DUMP_BTCOEX("Number of PAN", mci->num_pan);

	ATH_DUMP_BTCOEX("Number of ACL", mci->num_other_acl);

	ATH_DUMP_BTCOEX("Number of 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("Concur RSSI count", 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");

#undef ATH_DUMP_BTCOEX



	return len;

}

#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */