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ath9k_htc: Dump base eeprom header for UB91/94/95
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Debugfs file location: <debugfs_mnt>/ieee80211/phy#/ath9k_htc/base_eeprom

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Sujith Manoharan authored and John W. Linville committed Apr 29, 2011
1 parent dee04ca commit 80d887c
Showing 1 changed file with 162 additions and 8 deletions.
170 changes: 162 additions & 8 deletions drivers/net/wireless/ath/ath9k/htc_drv_debug.c
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Original file line number Diff line number Diff line change
Expand Up @@ -492,6 +492,158 @@ static const struct file_operations fops_debug = {
.llseek = default_llseek,
};

static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath9k_htc_priv *priv = file->private_data;
struct ath_common *common = ath9k_hw_common(priv->ah);
struct base_eep_header *pBase = NULL;
unsigned int len = 0, size = 1500;
ssize_t retval = 0;
char *buf;

/*
* This can be done since all the 3 EEPROM families have the
* same base header upto a certain point, and we are interested in
* the data only upto that point.
*/

if (AR_SREV_9271(priv->ah))
pBase = (struct base_eep_header *)
&priv->ah->eeprom.map4k.baseEepHeader;
else if (priv->ah->hw_version.usbdev == AR9280_USB)
pBase = (struct base_eep_header *)
&priv->ah->eeprom.def.baseEepHeader;
else if (priv->ah->hw_version.usbdev == AR9287_USB)
pBase = (struct base_eep_header *)
&priv->ah->eeprom.map9287.baseEepHeader;

if (pBase == NULL) {
ath_err(common, "Unknown EEPROM type\n");
return 0;
}

buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;

len += snprintf(buf + len, size - len,
"%20s : %10d\n", "Major Version",
pBase->version >> 12);
len += snprintf(buf + len, size - len,
"%20s : %10d\n", "Minor Version",
pBase->version & 0xFFF);
len += snprintf(buf + len, size - len,
"%20s : %10d\n", "Checksum",
pBase->checksum);
len += snprintf(buf + len, size - len,
"%20s : %10d\n", "Length",
pBase->length);
len += snprintf(buf + len, size - len,
"%20s : %10d\n", "RegDomain1",
pBase->regDmn[0]);
len += snprintf(buf + len, size - len,
"%20s : %10d\n", "RegDomain2",
pBase->regDmn[1]);
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"TX Mask", pBase->txMask);
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"RX Mask", pBase->rxMask);
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Allow 5GHz",
!!(pBase->opCapFlags & AR5416_OPFLAGS_11A));
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Allow 2GHz",
!!(pBase->opCapFlags & AR5416_OPFLAGS_11G));
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Disable 2GHz HT20",
!!(pBase->opCapFlags & AR5416_OPFLAGS_N_2G_HT20));
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Disable 2GHz HT40",
!!(pBase->opCapFlags & AR5416_OPFLAGS_N_2G_HT40));
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Disable 5Ghz HT20",
!!(pBase->opCapFlags & AR5416_OPFLAGS_N_5G_HT20));
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Disable 5Ghz HT40",
!!(pBase->opCapFlags & AR5416_OPFLAGS_N_5G_HT40));
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Big Endian",
!!(pBase->eepMisc & 0x01));
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Cal Bin Major Ver",
(pBase->binBuildNumber >> 24) & 0xFF);
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Cal Bin Minor Ver",
(pBase->binBuildNumber >> 16) & 0xFF);
len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"Cal Bin Build",
(pBase->binBuildNumber >> 8) & 0xFF);

/*
* UB91 specific data.
*/
if (AR_SREV_9271(priv->ah)) {
struct base_eep_header_4k *pBase4k =
&priv->ah->eeprom.map4k.baseEepHeader;

len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"TX Gain type",
pBase4k->txGainType);
}

/*
* UB95 specific data.
*/
if (priv->ah->hw_version.usbdev == AR9287_USB) {
struct base_eep_ar9287_header *pBase9287 =
&priv->ah->eeprom.map9287.baseEepHeader;

len += snprintf(buf + len, size - len,
"%20s : %10ddB\n",
"Power Table Offset",
pBase9287->pwrTableOffset);

len += snprintf(buf + len, size - len,
"%20s : %10d\n",
"OpenLoop Power Ctrl",
pBase9287->openLoopPwrCntl);
}

len += snprintf(buf + len, size - len,
"%20s : %02X:%02X:%02X:%02X:%02X:%02X\n",
"MacAddress",
pBase->macAddr[0], pBase->macAddr[1], pBase->macAddr[2],
pBase->macAddr[3], pBase->macAddr[4], pBase->macAddr[5]);
if (len > size)
len = size;

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

return retval;
}

static const struct file_operations fops_base_eeprom = {
.read = read_file_base_eeprom,
.open = ath9k_debugfs_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};

int ath9k_htc_init_debug(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
Expand All @@ -503,21 +655,23 @@ int ath9k_htc_init_debug(struct ath_hw *ah)
return -ENOMEM;

debugfs_create_file("tgt_int_stats", S_IRUSR, priv->debug.debugfs_phy,
priv, &fops_tgt_int_stats);
priv, &fops_tgt_int_stats);
debugfs_create_file("tgt_tx_stats", S_IRUSR, priv->debug.debugfs_phy,
priv, &fops_tgt_tx_stats);
priv, &fops_tgt_tx_stats);
debugfs_create_file("tgt_rx_stats", S_IRUSR, priv->debug.debugfs_phy,
priv, &fops_tgt_rx_stats);
priv, &fops_tgt_rx_stats);
debugfs_create_file("xmit", S_IRUSR, priv->debug.debugfs_phy,
priv, &fops_xmit);
priv, &fops_xmit);
debugfs_create_file("recv", S_IRUSR, priv->debug.debugfs_phy,
priv, &fops_recv);
priv, &fops_recv);
debugfs_create_file("slot", S_IRUSR, priv->debug.debugfs_phy,
priv, &fops_slot);
priv, &fops_slot);
debugfs_create_file("queue", S_IRUSR, priv->debug.debugfs_phy,
priv, &fops_queue);
priv, &fops_queue);
debugfs_create_file("debug", S_IRUSR | S_IWUSR, priv->debug.debugfs_phy,
priv, &fops_debug);
priv, &fops_debug);
debugfs_create_file("base_eeprom", S_IRUSR, priv->debug.debugfs_phy,
priv, &fops_base_eeprom);

return 0;
}

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