diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/debug.c')
-rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index 747508c..236f20f 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -364,6 +364,107 @@ static const struct file_operations fops_debug = { }; +/* debugfs: antenna */ + +static ssize_t read_file_antenna(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath5k_softc *sc = file->private_data; + char buf[700]; + unsigned int len = 0; + unsigned int i; + unsigned int v; + + len += snprintf(buf+len, sizeof(buf)-len, "antenna mode\t%d\n", + sc->ah->ah_ant_mode); + len += snprintf(buf+len, sizeof(buf)-len, "default antenna\t%d\n", + sc->ah->ah_def_ant); + len += snprintf(buf+len, sizeof(buf)-len, "tx antenna\t%d\n", + sc->ah->ah_tx_ant); + + len += snprintf(buf+len, sizeof(buf)-len, "\nANTENNA\t\tRX\tTX\n"); + for (i = 1; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) { + len += snprintf(buf+len, sizeof(buf)-len, + "[antenna %d]\t%d\t%d\n", + i, sc->stats.antenna_rx[i], sc->stats.antenna_tx[i]); + } + len += snprintf(buf+len, sizeof(buf)-len, "[invalid]\t%d\t%d\n", + sc->stats.antenna_rx[0], sc->stats.antenna_tx[0]); + + v = ath5k_hw_reg_read(sc->ah, AR5K_DEFAULT_ANTENNA); + len += snprintf(buf+len, sizeof(buf)-len, + "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v); + + v = ath5k_hw_reg_read(sc->ah, AR5K_STA_ID1); + len += snprintf(buf+len, sizeof(buf)-len, + "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n", + (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0); + len += snprintf(buf+len, sizeof(buf)-len, + "AR5K_STA_ID1_DESC_ANTENNA\t%d\n", + (v & AR5K_STA_ID1_DESC_ANTENNA) != 0); + len += snprintf(buf+len, sizeof(buf)-len, + "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n", + (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0); + len += snprintf(buf+len, sizeof(buf)-len, + "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n", + (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0); + + v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_AGCCTL); + len += snprintf(buf+len, sizeof(buf)-len, + "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n", + (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0); + + v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_RESTART); + len += snprintf(buf+len, sizeof(buf)-len, + "AR5K_PHY_RESTART_DIV_GC\t\t%x\n", + (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S); + + v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_FAST_ANT_DIV); + len += snprintf(buf+len, sizeof(buf)-len, + "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n", + (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t write_file_antenna(struct file *file, + const char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct ath5k_softc *sc = file->private_data; + unsigned int i; + char buf[20]; + + if (copy_from_user(buf, userbuf, min(count, sizeof(buf)))) + return -EFAULT; + + if (strncmp(buf, "diversity", 9) == 0) { + ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT); + printk(KERN_INFO "ath5k debug: enable diversity\n"); + } else if (strncmp(buf, "fixed-a", 7) == 0) { + ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A); + printk(KERN_INFO "ath5k debugfs: fixed antenna A\n"); + } else if (strncmp(buf, "fixed-b", 7) == 0) { + ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B); + printk(KERN_INFO "ath5k debug: fixed antenna B\n"); + } else if (strncmp(buf, "clear", 5) == 0) { + for (i = 0; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) { + sc->stats.antenna_rx[i] = 0; + sc->stats.antenna_tx[i] = 0; + } + printk(KERN_INFO "ath5k debug: cleared antenna stats\n"); + } + return count; +} + +static const struct file_operations fops_antenna = { + .read = read_file_antenna, + .write = write_file_antenna, + .open = ath5k_debugfs_open, + .owner = THIS_MODULE, +}; + + /* init */ void @@ -393,6 +494,10 @@ ath5k_debug_init_device(struct ath5k_softc *sc) sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR, sc->debug.debugfs_phydir, sc, &fops_reset); + + sc->debug.debugfs_antenna = debugfs_create_file("antenna", + S_IWUSR | S_IRUSR, + sc->debug.debugfs_phydir, sc, &fops_antenna); } void @@ -408,6 +513,7 @@ ath5k_debug_finish_device(struct ath5k_softc *sc) debugfs_remove(sc->debug.debugfs_registers); debugfs_remove(sc->debug.debugfs_beacon); debugfs_remove(sc->debug.debugfs_reset); + debugfs_remove(sc->debug.debugfs_antenna); debugfs_remove(sc->debug.debugfs_phydir); } |