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ath9k: Dump BTCOEX tuning parameters 

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2012-10-25 17:16:54 +05:30 committed by John W. Linville
parent cdbe408da7
commit 4df50ca869
3 changed files with 87 additions and 1 deletions
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6
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -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 {

34
drivers/net/wireless/ath/ath9k/debug.c
View File

@ -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;
}

48
drivers/net/wireless/ath/ath9k/gpio.c
View File

@ -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 */