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path: root/drivers/net/wireless/ath/ath9k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c58
1 files changed, 56 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index c8ef30127adb..6727b566d294 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -222,6 +222,57 @@ static const struct file_operations fops_disable_ani = {
.llseek = default_llseek,
};
+static ssize_t read_file_ant_diversity(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ char buf[32];
+ unsigned int len;
+
+ len = sprintf(buf, "%d\n", common->antenna_diversity);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_ant_diversity(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ unsigned long antenna_diversity;
+ char buf[32];
+ ssize_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ if (!AR_SREV_9565(sc->sc_ah))
+ goto exit;
+
+ buf[len] = '\0';
+ if (strict_strtoul(buf, 0, &antenna_diversity))
+ return -EINVAL;
+
+ common->antenna_diversity = !!antenna_diversity;
+ ath9k_ps_wakeup(sc);
+ ath_ant_comb_update(sc);
+ ath_dbg(common, CONFIG, "Antenna diversity: %d\n",
+ common->antenna_diversity);
+ ath9k_ps_restore(sc);
+exit:
+ return count;
+}
+
+static const struct file_operations fops_ant_diversity = {
+ .read = read_file_ant_diversity,
+ .write = write_file_ant_diversity,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
static ssize_t read_file_dma(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@@ -373,6 +424,8 @@ void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
sc->debug.stats.istats.tsfoor++;
if (status & ATH9K_INT_MCI)
sc->debug.stats.istats.mci++;
+ if (status & ATH9K_INT_GENTIMER)
+ sc->debug.stats.istats.gen_timer++;
}
static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
@@ -418,6 +471,7 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
PR_IS("DTIM", dtim);
PR_IS("TSFOOR", tsfoor);
PR_IS("MCI", mci);
+ PR_IS("GENTIMER", gen_timer);
PR_IS("TOTAL", total);
len += snprintf(buf + len, mxlen - len,
@@ -1598,12 +1652,12 @@ int ath9k_init_debug(struct ath_hw *ah)
debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
&fops_samps);
#endif
-
debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
-
debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
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);
return 0;
}