From: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx>
Debugfs file location: <debugfs_mnt>/ieee80211/phy#/ath9k_htc/base_eeprom
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/htc_drv_debug.c | 170 ++++++++++++++++++++++-
1 files changed, 162 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
index 894e5ef..cff2d21 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
@@ -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);
@@ -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;
}
--
1.7.4.4
--
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