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Commit 80d887c3 authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
Browse files

ath9k_htc: Dump base eeprom header for UB91/94/95 



Debugfs file location: <debugfs_mnt>/ieee80211/phy#/ath9k_htc/base_eeprom

Signed-off-by: default avatarSujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent dee04cac

drivers/net/wireless/ath/ath9k/htc_drv_debug.c

+162 −8
Original line number Diff line number Diff line
@@ -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);
@@ -518,6 +670,8 @@ int ath9k_htc_init_debug(struct ath_hw *ah) 
			    priv, &fops_queue);

	debugfs_create_file("debug", S_IRUSR | S_IWUSR, priv->debug.debugfs_phy,

			    priv, &fops_debug);

	debugfs_create_file("base_eeprom", S_IRUSR, priv->debug.debugfs_phy,

			    priv, &fops_base_eeprom);



	return 0;

}