From 3b52a1b7883353913b1a04a24fcd012771acac1c Mon Sep 17 00:00:00 2001
From: Sean Godinez <sgodinez@multitech.com>
Date: Wed, 11 Mar 2015 07:54:56 -0500
Subject: added uuid field (16 bytes) to eeprom

---
 io-module/mtcdt.c      |  1 +
 io-module/mts_eeprom.h |  3 ++-
 io-module/mts_io.c     | 34 +++++++++++++++++++++++++++++++++-
 io-tool/mts-io-sysfs   |  3 +++
 4 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/io-module/mtcdt.c b/io-module/mtcdt.c
index 0a4f601..0b7dba1 100644
--- a/io-module/mtcdt.c
+++ b/io-module/mtcdt.c
@@ -260,6 +260,7 @@ static struct attribute *mtcdt_platform_attributes[] = {
 	&dev_attr_vendor_id.attr,
 	&dev_attr_product_id.attr,
 	&dev_attr_device_id.attr,
+	&dev_attr_uuid.attr,
 	&dev_attr_hw_version.attr,
 	&dev_attr_imei.attr,
 	&dev_attr_eth_mac.attr,
diff --git a/io-module/mts_eeprom.h b/io-module/mts_eeprom.h
index 640f749..5f5e69c 100644
--- a/io-module/mts_eeprom.h
+++ b/io-module/mts_eeprom.h
@@ -20,7 +20,8 @@ struct mts_id_eeprom_layout {
 	uint8_t capa[32];
 	uint8_t mac_bluetooth[6];
 	uint8_t mac_wifi[6];
-	uint8_t reserved[302];
+	uint8_t uuid[16];
+	uint8_t reserved[286];
 };
 
 /* accessory card EEPROM */
diff --git a/io-module/mts_io.c b/io-module/mts_io.c
index 1ae85e6..1c9a5b6 100644
--- a/io-module/mts_io.c
+++ b/io-module/mts_io.c
@@ -333,14 +333,30 @@ static ssize_t mts_attr_show_product_info(struct device *dev,
 			struct device_attribute *attr,
 			char *buf)
 {
+	int i;
 	ssize_t value;
-
+	
 	if (strcmp(attr->attr.name, "vendor-id") == 0) {
 		value = sprintf(buf, "%.32s\n", id_eeprom.vendor_id);
 	} else if (strcmp(attr->attr.name, "product-id") == 0) {
 		value = sprintf(buf, "%.32s\n", id_eeprom.product_id);
 	} else if (strcmp(attr->attr.name, "device-id") == 0) {
 		value = sprintf(buf, "%.32s\n", id_eeprom.device_id);
+	} else if (strcmp(attr->attr.name, "uuid") == 0) {
+		//Loop Through UUID Bytes and print them in HEX
+
+		for(i = 0; i < 16; i++) {
+			value = sprintf(buf, "%02X", id_eeprom.uuid[i]);
+			if(value == -1) {
+				return value;
+			}
+			buf += value;
+		}
+		value = sprintf(buf, "\n");
+		if(value == -1) {
+			return value;
+		}
+		value = 33;	//16*2 (ASCII HEX) + 1 ('\n')
 	} else if (strcmp(attr->attr.name, "hw-version") == 0) {
 		value = sprintf(buf, "%.32s\n", id_eeprom.hw_version);
 	} else if (strcmp(attr->attr.name, "imei") == 0) {
@@ -367,6 +383,8 @@ static DEVICE_ATTR_RO_MTS(dev_attr_product_id, "product-id",
 	mts_attr_show_product_info);
 static DEVICE_ATTR_RO_MTS(dev_attr_device_id, "device-id",
 	mts_attr_show_product_info);
+static DEVICE_ATTR_RO_MTS(dev_attr_uuid, "uuid",
+	mts_attr_show_product_info);
 static DEVICE_ATTR_RO_MTS(dev_attr_hw_version, "hw-version",
 	mts_attr_show_product_info);
 static DEVICE_ATTR_RO_MTS(dev_attr_imei, "imei",
@@ -470,6 +488,13 @@ static void init_accessory_ports(void)
 
 static int mts_id_eeprom_load(void)
 {
+	int i;
+	char buf[64] = {0};
+	char* ptr;
+
+	//The mts_id_eeprom buffer is initialize once on boot
+	//reloading the mts_io.ko module will not reinitialize this buffer
+	//only rebooting will reinitialize this buffer
 	memcpy(&id_eeprom, mts_id_eeprom, sizeof(mts_id_eeprom));
 
 	if (mts_id_eeprom[0] == 0xFF) {
@@ -493,6 +518,7 @@ static int mts_id_eeprom_load(void)
             id_eeprom.mac_addr[3],
             id_eeprom.mac_addr[4],
             id_eeprom.mac_addr[5]);
+	
 	log_info("imei: %.32s",  id_eeprom.imei);
 	log_info("capa-gps: %s", DEVICE_CAPA(id_eeprom.capa, CAPA_GPS) ? "yes" : "no");
 	log_info("capa-din: %s", DEVICE_CAPA(id_eeprom.capa, CAPA_DIN) ? "yes" : "no");
@@ -518,6 +544,12 @@ static int mts_id_eeprom_load(void)
 			id_eeprom.mac_wifi[4],
 			id_eeprom.mac_wifi[5]);
 	}
+	//Loop Through UUID Bytes and print them in HEX
+	ptr = (char*)buf;
+	for(i = 0; i < 16; i++) {
+		ptr += sprintf(ptr, "%02X", id_eeprom.uuid[i]);
+	}
+	log_info("uuid: %s", (char*)buf);
 
 	return 0;
 }
diff --git a/io-tool/mts-io-sysfs b/io-tool/mts-io-sysfs
index 0d8ef24..e33c280 100755
--- a/io-tool/mts-io-sysfs
+++ b/io-tool/mts-io-sysfs
@@ -107,6 +107,9 @@ usage() {
       #product-id, device-id, vendor-id are all read-only
       *-id )
         ;;
+      #uuid read-only
+      uiid )
+        ;;
       #hw-version is read-only
       *hw-version )
         ;;
-- 
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