Merge in global logic mts-io hotspot code.2.0.5

1 files changed, 1256 insertions, 0 deletions

diff --git a/io-module/mts-io.c b/io-module/mts-io.c
new file mode 100644
index 0000000..e51bd4b
--- /dev/null
+++ b/io-module/mts-io.c
@@ -0,0 +1,1256 @@
+/*
+ * MTS-IO Controller
+ *
+ * Copyright (C) 2014 by Multi-Tech Systems
+ * Copyright (C) 2016 by Multi-Tech Systems
+ *
+ * Authors: James Maki <jmaki@multitech.com>
+ *          Jesse Gilles <jgilles@multitech.com>
+ *          Mike Fiore <mfiore@multitech.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/ioctl.h>
+#include <linux/input.h>
+#include <linux/cdev.h>
+#include <linux/clk.h>
+#include <linux/sched.h>
+#include <linux/reboot.h>
+#include <linux/uaccess.h>
+#include <linux/gpio.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/bitops.h>
+#include <linux/spi/spi.h>
+#include <linux/i2c/at24.h>
+#include <linux/kmod.h>
+#include <linux/ctype.h>
+#include <linux/io.h>
+#include <linux/module.h>
+
+#include "mts_io.h"
+#include "buttons.h"
+
+#define PLATFORM_NAME	"mts-io"
+
+#define LED_LS_CONTROLLABLE		0
+
+/* on-board EEPROM */
+extern uint8_t mts_id_eeprom[512];
+static struct mts_id_eeprom_layout id_eeprom;
+
+// NUM_AP should be defined from the board code
+// it should be set to the value of CONFIG_MTS_NUM_ACCESSORY_PORTS
+// arch/arm/mach-at91/board-dt-sam9.c
+// if it is 0 or undefined, there is no accessory card support on this HW
+#ifdef CONFIG_MTS_NUM_ACCESSORY_PORTS
+
+#ifndef NUM_AP
+#define NUM_AP CONFIG_MTS_NUM_ACCESSORY_PORTS
+#endif
+
+#else
+#define NUM_AP 0
+#endif
+
+static uint8_t mts_hw_version;
+static struct platform_device *mts_io_platform_device;
+static struct attribute_group *attr_group;
+static struct attribute_group *attr_group_lora; // on-board lora peripheral to be stored in the lora/ sub-directory
+static struct gpio_pin *gpio_pins;
+
+DEFINE_MUTEX(mts_io_mutex);
+
+static unsigned int *timings_data = NULL;
+static unsigned int timings_data_size = 0;
+static unsigned int timings_data_index = 0;
+static time_t timings_data_stop_seconds = 0;
+static struct timer_list radio_reset_timer;
+static volatile int radio_reset_timer_is_start = 0;
+static struct timer_list radio_reset_available_timer;
+static volatile int radio_reset_available_timer_is_start = 0;
+static time_t time_now_secs(void);
+static void radio_reset_available_timer_callback(unsigned long data);
+static void radio_reset_timer_callback(unsigned long data);
+
+/* generic GPIO support */
+#include "gpio.c"
+
+/* reset button handling */
+#define RESET_CHECK_PER_SEC		8
+#define RESET_INTERVAL		(HZ / RESET_CHECK_PER_SEC)
+#define RESET_HOLD_COUNT	(RESET_CHECK_PER_SEC * 3)
+#define RESET_LONG_HOLD_COUNT   (RESET_CHECK_PER_SEC * 30)
+
+static pid_t reset_pid = -1;
+static pid_t reset_count = 0;
+bool sent_extra_long = false;
+static int reset_short_signal = SIGUSR1;
+static int reset_long_signal = SIGUSR2;
+static int reset_extra_long_signal = SIGHUP;
+static int reset_short_interval = RESET_HOLD_COUNT;
+static int reset_long_interval = RESET_LONG_HOLD_COUNT;
+
+/*
+ * This function takes the product_id and tries to check
+ * for a modem.  If there is an error, assume there is a
+ * modem.  Saying there is a modem when there is not
+ * just results in a slower boot.
+ * If no hyphen in product ID, or no product ID,
+ * assume we have a radio.
+ * If there is a hyphen test the character after the
+ * first hyphen:
+ *   If the character is numeric, we have no modem.
+ *   if the chracter is not a B, we have a modem.
+ *   If the character is a B, and it is followed
+ *   by a numeric, we have no modem.
+ *   If the B is the last character or is followed
+ *   by a numeric, we have no modem.
+ * All other cases, we have a modem.
+ */
+static int
+has_radio(const char *product_id, size_t len)
+{
+	char *p;
+	if (!product_id || ! *product_id)
+		return 1;  /* No Product ID? */
+	p = memchr(product_id,'-',len);
+	if (p) {  /* Found a hyphen */
+                log_debug("Found hyphen");
+                p++;
+                if (p >= product_id+len) {
+                    log_debug("End of string -- hyphen");
+                    return 1;  /* Last character was hyphen */
+                }
+		if (isdigit(*p)) {
+                        log_debug("Found digit after hypen");
+			return 0;  /* Modem name never starts with a digit */
+                }
+		if (*p != 'B') {
+                        log_debug("Found neither B nor digit after hypen");
+			return 1; /* Modem starting with a letter, but not B */
+                }
+		/* Found a B */
+		p++;
+                if (p >= product_id+len) {
+		    log_debug("B at end of product-id string");
+                    return 1;  /* Last character was B */
+		}
+		if (isdigit(*p)) {
+			log_debug("B followed by digit after hyphen - no modem");
+			return 0;  /* B[numeric] is MTR Build number */
+		}
+		log_debug("B followed by non-digit after hyphen - has modem");
+		return 1;  /* B[non-numeric] so assume a modem that starts with B */
+	}  /* End of found hyphen case */
+	log_debug("Undefined product-id - has modem");
+ 	return 1;  /* Product id invalid or empty, so instantiate a radio anyway */
+}
+
+
+#ifndef NEW_BUTTON_INTERFACE
+static void reset_callback(struct work_struct *ignored);
+
+static DECLARE_DELAYED_WORK(reset_work, reset_callback);
+static void reset_callback(struct work_struct *ignored)
+{
+	struct gpio_pin *pin;
+	int reset_pressed = 0;
+	struct pid *vpid = NULL;
+
+	mutex_lock(&mts_io_mutex);
+
+	pin = gpio_pin_by_attr_name("reset");
+	if (pin) {
+		reset_pressed = !gpio_get_value(pin->pin.gpio);
+	}
+
+	if (reset_pid > 0) {
+		vpid = find_vpid(reset_pid);
+	}
+
+	if (vpid) {
+		if (reset_pressed) {
+			reset_count++;
+		} else {
+			//Reset button has not been pressed
+			if (reset_count > 0 && reset_count < reset_short_interval) {
+				kill_pid(vpid, reset_short_signal, 1);
+			} else if (reset_count >= reset_short_interval && reset_count < reset_long_interval) {
+				kill_pid(vpid, reset_long_signal, 1);
+			}
+
+			reset_count = 0;
+			sent_extra_long = false;
+		}
+		if (reset_count >= reset_long_interval && ! sent_extra_long) {
+			kill_pid(vpid, reset_extra_long_signal, 1);
+			sent_extra_long = true;
+		}
+	} else {
+		reset_count = 0;
+	}
+
+	mutex_unlock(&mts_io_mutex);
+
+	schedule_delayed_work(&reset_work, RESET_INTERVAL);
+}
+
+static ssize_t mts_attr_show_reset_monitor_intervals(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	int ret;
+
+	mutex_lock(&mts_io_mutex);
+
+	ret = sprintf(buf, "%d %d\n", reset_short_interval / RESET_CHECK_PER_SEC, reset_long_interval / RESET_CHECK_PER_SEC);
+
+	mutex_unlock(&mts_io_mutex);
+
+	return ret;
+}
+
+static ssize_t mts_attr_store_reset_monitor_intervals(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+	int short_int;
+	int long_int;
+
+	if (sscanf(buf, "%i %i", &short_int, &long_int) != 2) {
+		return -EINVAL;
+	}
+
+	mutex_lock(&mts_io_mutex);
+
+	reset_short_interval = short_int * RESET_CHECK_PER_SEC;
+	reset_long_interval = long_int * RESET_CHECK_PER_SEC;
+
+	mutex_unlock(&mts_io_mutex);
+
+	return count;
+}
+
+static DEVICE_ATTR_MTS(dev_attr_reset_monitor_intervals, "reset-monitor-intervals",
+	mts_attr_show_reset_monitor_intervals, mts_attr_store_reset_monitor_intervals);
+
+static ssize_t mts_attr_show_reset_monitor(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	int ret;
+
+	mutex_lock(&mts_io_mutex);
+
+	ret = sprintf(buf, "%d %d %d %d\n", reset_pid, reset_short_signal, reset_long_signal, reset_extra_long_signal);
+
+	mutex_unlock(&mts_io_mutex);
+
+	return ret;
+}
+
+static ssize_t mts_attr_store_reset_monitor(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	pid_t pid;
+	int short_signal;
+	int long_signal;
+	int extra_long_signal;
+	int result = sscanf(buf, "%i %i %i %i", &pid, &short_signal, &long_signal, &extra_long_signal);
+
+	if (result < 3 || result > 4) {
+		return -EINVAL;
+	}
+
+        if(result == 3) {
+		mutex_lock(&mts_io_mutex);
+
+		reset_pid = pid;
+		reset_short_signal = short_signal;
+		reset_long_signal = long_signal;
+
+		mutex_unlock(&mts_io_mutex);
+	} else {
+		mutex_lock(&mts_io_mutex);
+
+		reset_pid = pid;
+		reset_short_signal = short_signal;
+		reset_long_signal = long_signal;
+		reset_extra_long_signal = extra_long_signal;
+
+		mutex_unlock(&mts_io_mutex);
+	}
+
+	return count;
+}
+
+static DEVICE_ATTR_MTS(dev_attr_reset_monitor, "reset-monitor",
+	mts_attr_show_reset_monitor, mts_attr_store_reset_monitor);
+static DEVICE_ATTR_RO_MTS(dev_attr_reset, "reset", mts_attr_show_gpio_pin);
+#endif
+/* active-low socket modem reset */
+static ssize_t mts_attr_store_radio_reset(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int value; /* 0 = normal reset; -1 = forced reset */
+	int err;
+	struct gpio_pin *pin;
+
+	if (sscanf(buf, "%i", &value) != 1) {
+		return -EINVAL;
+	}
+	if (value != 0 && value != -1) {
+		return -EINVAL;
+	}
+
+	/* check reset timings is enabled */
+	if (value != -1 && NULL != timings_data) {
+		/* check reset timer is started */
+		if (radio_reset_timer_is_start == 1) {
+			log_info("radio reset timer is running. \n");
+			return count;
+		}
+
+		/* check reset timer available is started */
+		if (radio_reset_available_timer_is_start == 1) {
+			del_timer(&radio_reset_available_timer);
+			radio_reset_available_timer_is_start = 0;
+		}
+
+		/* reset timer not started, start it */
+		mod_timer(&radio_reset_timer, jiffies + msecs_to_jiffies((timings_data[timings_data_index]) * 1000));
+		//log_info("radio reset timer is start = [%d]\n", time_now_secs());
+		/* save timings_data_stop_seconds */
+		timings_data_stop_seconds = timings_data[timings_data_index] + time_now_secs();
+		radio_reset_timer_is_start = 1;
+	}
+
+	log_info("radio is reset\n");
+
+	pin = gpio_pin_by_attr_name("radio-reset");
+
+	if (!pin) {
+		return -ENODEV;
+	}
+
+	mutex_lock(&mts_io_mutex);
+
+	// 250ms low reset
+	err = reset_gpio_pin(pin, 250, 0);
+
+	mutex_unlock(&mts_io_mutex);
+
+	if (err) {
+		return err;
+	}
+
+	return count;
+}
+
+static DEVICE_ATTR_MTS(dev_attr_radio_reset, "radio-reset",
+	mts_attr_show_gpio_pin, mts_attr_store_radio_reset);
+
+/* shared gpio attributes */
+static DEVICE_ATTR_MTS(dev_attr_radio_power, "radio-power",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+/* backoff-timers */
+static time_t time_now_secs(void)
+{
+	struct timespec ts = current_kernel_time();
+	return ts.tv_sec;
+}
+
+static void radio_reset_available_timer_callback( unsigned long data )
+{
+	/* do your timer stuff here */
+	//log_info("radio_reset_available_timer_callback\n");
+	//log_info("radio reset available timer is stop = [%d]\n", time_now_secs());
+
+	/* zero timings_data_index */
+	timings_data_index = 0;
+	//log_info("timings data index is zero = [%d]\n", timings_data_index);
+	radio_reset_available_timer_is_start = 0;
+}
+
+static void radio_reset_timer_callback( unsigned long data )
+{
+	/* do your timer stuff here */
+	//log_info("radio_reset_timer_callback\n");
+	//log_info("radio reset timer is stop = [%d]\n", time_now_secs());
+
+	/* increment timings_data_index */
+	timings_data_index++;
+	if(timings_data_index >= timings_data_size) {
+		timings_data_index = timings_data_size-1;
+	}
+
+	//log_info("timings data index = [%d]\n", timings_data_index);
+
+	/* reset available timer not started, start it */
+	mod_timer(&radio_reset_available_timer, jiffies + msecs_to_jiffies((timings_data[timings_data_index]) * 1000));
+	//log_info("radio reset available timer is start = [%d]\n", time_now_secs());
+	radio_reset_available_timer_is_start = 1;
+	radio_reset_timer_is_start = 0;
+}
+
+static ssize_t mts_attr_store_radio_reset_backoffs(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	char *timings_data_str = NULL;
+	const char delimiter[] = " ";
+	char * pch = NULL;
+	unsigned int size = 0;
+
+	/* free previous timings_data */
+	if (NULL != timings_data) {
+		/* stop timers */
+		del_timer(&radio_reset_timer);
+		del_timer(&radio_reset_available_timer);
+		timings_data_index = 0;
+		radio_reset_timer_is_start = 0;
+		radio_reset_available_timer_is_start = 0;
+
+		//log_info("free previous timings_data\n");
+		kfree(timings_data);
+		timings_data = NULL;
+		timings_data_size = 0;
+	}
+
+	/* make a copy */
+	if( NULL == (timings_data_str = kzalloc((strlen(buf) + 1), GFP_KERNEL)) ){
+		log_error("can`t allocate memory\n");
+		return -EINVAL;
+	}
+
+        //log_info("radio_reset_backoffs buf: [%s]", buf);
+        strncpy(timings_data_str, buf, (strlen(buf) + 1));
+
+	/* get number of tokens */
+	while (NULL != (pch = strsep (&timings_data_str, delimiter))) {
+		int value = 0;
+		sscanf(pch, "%d", &value);
+	        //log_info("radio reset backoffs pch = [%s]\n", pch);
+		if (value > 0){
+			size++;
+			if (NULL == timings_data) {
+				/* make alloc */
+				if (NULL == (timings_data = kmalloc(sizeof(unsigned int), GFP_KERNEL))) {
+					log_error("radio reset backoffs can`t allocate memory\n");
+					goto free;
+				}
+			} else {
+				/* make realloc */
+				if (NULL == (timings_data = krealloc(timings_data, size * sizeof(unsigned int), GFP_KERNEL))) {
+					log_error("radio reset backoffs can`t allocate memory\n");
+					goto free;
+				}
+			}
+			/* save timings data */
+			sscanf(pch, "%d", &timings_data[size-1]);
+		}
+	}
+
+	timings_data_size = size;
+	//log_info("timings_data_size = %d\n", timings_data_size);
+
+	if (NULL != timings_data_str) {
+		/* free timings_data_str */
+                /* never get here in happy path */
+		kfree(timings_data_str);
+	}
+	return count;
+
+free:
+	if (NULL != timings_data_str) {
+		/* free timings_data_str */
+		kfree(timings_data_str);
+	}
+
+	if (NULL != timings_data) {
+		kfree(timings_data);
+		timings_data = NULL;
+		timings_data_size = 0;
+	}
+	return -EINVAL;
+}
+
+static ssize_t mts_attr_store_radio_reset_backoffs_index(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int value;
+
+	if (sscanf(buf, "%d", &value) != 1) {
+		return -EINVAL;
+	}
+
+	if ((value < 0) || (value >= timings_data_size)) {
+		log_error("incorrect data\n");
+		return -EINVAL;
+	}
+
+	/* stop timers */
+	del_timer(&radio_reset_timer);
+	del_timer(&radio_reset_available_timer);
+	radio_reset_timer_is_start = 0;
+	radio_reset_available_timer_is_start = 0;
+	timings_data_index = value;
+
+	return count;
+}
+
+static ssize_t mts_attr_show_radio_reset_backoffs(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	int ret = 0;
+	size_t i = 0;
+        size_t buf_left = 0;
+
+	if (NULL != timings_data) {
+		for(i = 0; i < timings_data_size; ++i) {
+                        buf_left = PAGE_SIZE - ret;
+			ret += snprintf(buf += strlen(buf), buf_left, "%d ", timings_data[i]);
+		}
+	}
+
+        if (ret > 0) {
+		ret -= 1;
+	}
+
+	return ret;
+}
+
+static ssize_t mts_attr_show_radio_reset_backoff_index(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	ssize_t value;
+
+	if (strcmp(attr->attr.name, "radio-reset-backoff-index") == 0) {
+		value = sprintf(buf, "%d", timings_data_index);
+	}
+	else {
+		log_error("attribute '%s' not found", attr->attr.name);
+		value = -1;
+	}
+
+	return value;
+}
+
+static ssize_t mts_attr_show_radio_reset_backoff_seconds(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	ssize_t value;
+
+	if (strcmp(attr->attr.name, "radio-reset-backoff-seconds") == 0) {
+		if (radio_reset_timer_is_start == 1) {
+			value = sprintf(buf, "%lu",  (timings_data_stop_seconds - time_now_secs()));
+		} else {
+			value = sprintf(buf, "%d", 0);
+		}
+	} else {
+		log_error("attribute '%s' not found", attr->attr.name);
+		value = -1;
+	}
+
+	return value;
+}
+
+static DEVICE_ATTR_MTS(dev_attr_radio_reset_backoffs, "radio-reset-backoffs",
+	mts_attr_show_radio_reset_backoffs, mts_attr_store_radio_reset_backoffs);
+
+static DEVICE_ATTR_MTS(dev_attr_radio_reset_backoff_index, "radio-reset-backoff-index",
+	mts_attr_show_radio_reset_backoff_index, mts_attr_store_radio_reset_backoffs_index);
+
+static DEVICE_ATTR_RO_MTS(dev_attr_radio_reset_backoff_seconds, "radio-reset-backoff-seconds",
+	mts_attr_show_radio_reset_backoff_seconds);
+
+/* shared gpio-based LEDs */
+static DEVICE_ATTR_MTS(dev_attr_led_status, "led-status",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_MTS(dev_attr_led_a_gpio, "led-a",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+#if LED_LS_CONTROLLABLE
+static DEVICE_ATTR_MTS(dev_attr_led_ls, "led-ls",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+#else
+static DEVICE_ATTR_RO_MTS(dev_attr_led_ls, "led-ls",
+	mts_attr_show_gpio_pin);
+#endif
+
+static DEVICE_ATTR_MTS(dev_attr_led_b_gpio, "led-b",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+static DEVICE_ATTR_MTS(dev_attr_led_cd_gpio, "led-cd",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_MTS(dev_attr_led_c_gpio, "led-c",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+static DEVICE_ATTR_MTS(dev_attr_led_sig1_gpio, "led-sig1",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_MTS(dev_attr_led_sig2_gpio, "led-sig2",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_MTS(dev_attr_led_sig3_gpio, "led-sig3",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+static DEVICE_ATTR_MTS(dev_attr_led_d_gpio, "led-d",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+static DEVICE_ATTR_MTS(dev_attr_led_e_gpio, "led-e",
+	mts_attr_show_gpio_pin, mts_attr_store_gpio_pin);
+
+/* eeprom info */
+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, "has-radio") == 0) {
+		value = sprintf(buf, "%1d\n",
+                    has_radio(id_eeprom.product_id,sizeof 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) {
+		value = sprintf(buf, "%.32s\n", id_eeprom.imei);
+	} else if (strcmp(attr->attr.name, "mac-wifi") == 0) {
+		value = sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X\n",
+			id_eeprom.mac_wifi[0],
+			id_eeprom.mac_wifi[1],
+			id_eeprom.mac_wifi[2],
+			id_eeprom.mac_wifi[3],
+			id_eeprom.mac_wifi[4],
+			id_eeprom.mac_wifi[5]);
+	} else if (strcmp(attr->attr.name, "mac-eth") == 0) {
+		value = sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X\n",
+			id_eeprom.mac_addr[0],
+			id_eeprom.mac_addr[1],
+			id_eeprom.mac_addr[2],
+			id_eeprom.mac_addr[3],
+			id_eeprom.mac_addr[4],
+			id_eeprom.mac_addr[5]);
+	} else if (strcmp(attr->attr.name, "lora-eui") == 0) {
+		value = sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
+			id_eeprom.lora_eui[0],
+			id_eeprom.lora_eui[1],
+			id_eeprom.lora_eui[2],
+			id_eeprom.lora_eui[3],
+			id_eeprom.lora_eui[4],
+			id_eeprom.lora_eui[5],
+			id_eeprom.lora_eui[6],
+			id_eeprom.lora_eui[7]);
+	}
+	else {
+		log_error("attribute '%s' not found", attr->attr.name);
+		value = -1;
+	}
+
+	return value;
+}
+
+static DEVICE_ATTR_RO_MTS(dev_attr_vendor_id, "vendor-id",
+	mts_attr_show_product_info);
+static DEVICE_ATTR_RO_MTS(dev_attr_product_id, "product-id",
+	mts_attr_show_product_info);
+static DEVICE_ATTR_RO_MTS(dev_attr_has_radio, "has-radio",
+	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",
+	mts_attr_show_product_info);
+static DEVICE_ATTR_RO_MTS(dev_attr_eth_mac, "mac-eth",
+	mts_attr_show_product_info);
+
+static int get_radio_model_from_product_id(void) {
+	int rc = RADIO_UNKNOWN;
+
+	if (strstr(id_eeprom.product_id, "LEU1")) rc = RADIO_LEU1;
+	else if (strstr(id_eeprom.product_id, "LNA3")) rc = RADIO_LNA3;
+
+	// Add other radios as needed.
+	return rc;
+}
+
+
+/* include on-board lora peripheral */
+#include "mts_lora.c"
+
+/* include per-device pins and attributes */
+#include "mtcdt.c"
+#include "mtcap.c"
+#include "mtr.c"
+#include "mths.c"
+
+/* include capabilities sub-directory support */
+#include "mts_capab.c"
+
+
+#if NUM_AP > 0
+
+/* accessory card EEPROMs */
+extern uint8_t mts_ap_eeprom[NUM_AP][512];
+static struct mts_ap_eeprom_layout ap_eeprom[NUM_AP];
+/* kobject pointers for the apX subdirectories that correspond to the accessory ports */
+static struct kobject *ap_subdirs[NUM_AP];
+/* attribute groups for the accessory ports*/
+static struct attribute_group ap_attr_groups[NUM_AP];
+/* info for accessory port (contains function pointers for setup and teardown and and useful info) */
+static struct ap_info* port_info[NUM_AP];
+
+/* accessory card support */
+#include "mtac.c"
+#include "mtac_gpiob.c"
+#include "mtac_mfser.c"
+#include "mtac_eth.c"
+#include "mtac_lora.c"
+
+static bool load_port(int port) {
+	int port_index = port - 1;
+	memcpy(&ap_eeprom[port_index], mts_ap_eeprom[port_index], sizeof(mts_ap_eeprom[port_index]));
+
+	if (mts_ap_eeprom[port_index][0] == 0xFF) {
+		log_error("uninitialized eeprom on accessory card %d", port);
+	} else if (mts_ap_eeprom[port_index][0] == 0x00) {
+		log_info("no accessory card inserted in port %d", port);
+	} else {
+		port_info[port_index] = kzalloc(sizeof(struct ap_info), GFP_KERNEL);
+		if (! port_info[port_index]) {
+			log_error("alloc of port info failed");
+			return false;
+		}
+
+		if (strstr(ap_eeprom[port_index].product_id, PRODUCT_ID_MTAC_GPIOB)) {
+			if (! set_gpiob_info(port_info[port_index])) {
+				log_error("failed to set up gpiob port info");
+				return false;
+			}
+		} else if (strstr(ap_eeprom[port_index].product_id, PRODUCT_ID_MTAC_MFSER)) {
+			if (! set_mfser_info(port_info[port_index])) {
+				log_error("failed to set up mfser port info");
+				return false;
+			}
+		} else if (strstr(ap_eeprom[port_index].product_id, PRODUCT_ID_MTAC_ETH)) {
+			if (! set_eth_info(port_info[port_index])) {
+				log_error("failed to set up eth port info");
+				return false;
+			}
+		} else if (strstr(ap_eeprom[port_index].product_id, PRODUCT_ID_MTAC_LORA)) {
+			if (! set_lora_info(port_info[port_index])) {
+				log_error("failed to set up lora port info");
+				return false;
+			}
+		} else {
+			log_error("unknown accessory card [%s] in port %d", ap_eeprom[port_index].product_id, port);
+			kfree(port_info[port_index]);
+			port_info[port_index] = NULL;
+			return false;
+		}
+
+		log_info("accessory card %d vendor-id: %.32s", port, ap_eeprom[port_index].vendor_id);
+		log_info("accessory card %d product-id: %.32s", port,  ap_eeprom[port_index].product_id);
+		log_info("accessory card %d device-id: %.32s", port,  ap_eeprom[port_index].device_id);
+		log_info("accessory card %d hw-version: %.32s", port,  ap_eeprom[port_index].hw_version);
+		if (strncmp(ap_eeprom[port_index].product_id, PRODUCT_ID_MTAC_ETH, strlen(PRODUCT_ID_MTAC_ETH)) == 0) {
+			log_info("accessory card %d mac-addr: %02X:%02X:%02X:%02X:%02X:%02X",
+			    port,
+			    ap_eeprom[port_index].mac_addr[0],
+			    ap_eeprom[port_index].mac_addr[1],
+			    ap_eeprom[port_index].mac_addr[2],
+			    ap_eeprom[port_index].mac_addr[3],
+			    ap_eeprom[port_index].mac_addr[4],
+			    ap_eeprom[port_index].mac_addr[5]);
+		}
+		if (strncmp(ap_eeprom[port_index].product_id, PRODUCT_ID_MTAC_LORA, strlen(PRODUCT_ID_MTAC_LORA)) == 0) {
+			log_info("accessory card %d eui: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X",
+			    port,
+			    ap_eeprom[port_index].eui[0],
+			    ap_eeprom[port_index].eui[1],
+			    ap_eeprom[port_index].eui[2],
+			    ap_eeprom[port_index].eui[3],
+			    ap_eeprom[port_index].eui[4],
+			    ap_eeprom[port_index].eui[5],
+			    ap_eeprom[port_index].eui[6],
+			    ap_eeprom[port_index].eui[7]);
+		}
+
+		if (! port_info[port_index]->setup(port)) {
+			log_error("accessory port %d setup failed", port);
+			port_info[port_index]->teardown(port);
+			kfree(port_info[port_index]);
+			port_info[port_index] = NULL;
+			return false;
+		}
+	}
+
+	return true;
+}
+
+static void init_accessory_ports(void)
+{
+	int port_index;
+
+	for (port_index = 0; port_index < NUM_AP; port_index++) {
+        port_info[port_index] = NULL;
+        if (! load_port(port_index+1)) {
+            log_error("failed to load accessory card in port %d", port_index);
+        }
+    }
+}
+
+static void teardown_accessory_ports(void)
+{
+    int port_index;
+
+    for (port_index = 0; port_index < NUM_AP; port_index++) {
+        if (port_info[port_index]) {
+            port_info[port_index]->teardown(port_index+1);
+            kfree(port_info[port_index]);
+        }
+    }
+}
+#else /* NUM_AP > 0 */
+static void init_accessory_ports(void) {}
+static void teardown_accessory_ports(void) {}
+#endif
+
+static void init_ports(void)
+{
+	if (DEVICE_CAPA(id_eeprom.capa, CAPA_LORA) && attr_group_lora) {
+		mts_load_lora_port();
+	}
+
+	init_accessory_ports();
+}
+
+static void teardown_ports(void)
+{
+	if (DEVICE_CAPA(id_eeprom.capa, CAPA_LORA) && attr_group_lora) {
+		mts_teardown_lora_port();
+	}
+
+	teardown_accessory_ports();
+}
+
+
+struct attribute *freelater = NULL; // Storage to free when driver is unloaded.
+
+static int 
+mts_id_eeprom_load(void)
+{
+	int i, j = 0;
+	char buf[64] = {0};
+	char* ptr;
+	int attr_blength;     // Byte length of base attribute array
+	int current_blength;  // Current length in bytes of attribute array
+	int current_count;    // Number of items in array
+	struct attribute **all_attrs = NULL;
+        char *tmp;
+        int noradio;
+
+	//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) {
+            log_error("uninitialized eeprom");
+	    return -EIO;
+        }
+    
+        noradio = ! has_radio(id_eeprom.product_id,sizeof id_eeprom.product_id);
+        log_debug("mts_id_eeprom: noradio=%d",noradio);
+        
+	if (((tmp=HW_VERSION_MTCAP_0_0),strncmp(id_eeprom.hw_version, tmp, strlen(tmp)) == 0) ||
+            ((tmp=HW_VERSION_MTCAP_0_1),strncmp(id_eeprom.hw_version, tmp, strlen(tmp)) == 0)) {
+                /* See if we have no radio, and if so, prune out the stuff that follows */
+                if(noradio) {
+                    struct attribute **ap = mtcap_0_0_platform_attribute_group.attrs;
+                    while(1) {
+                        if(ap[j] == NULL) {
+                            log_info("Did not find radio power attribute.  Possible driver fault.");
+                            break;
+                        }
+                        j++;
+                        if (is_radio_power_attr_mtcap(ap[j])) {
+                            log_info("Pruning radio feature from mts-io",j);
+                            ap[j] = NULL;
+                            break;
+                        }
+                    }
+                }
+		attr_group = &mtcap_0_0_platform_attribute_group;
+		gpio_pins = gpio_pins_mtcap_0_0;
+        set_buttons(default_buttons);
+		if (DEVICE_CAPA(id_eeprom.capa, CAPA_LORA)) {
+			attr_group_lora = &mtcap_0_0_lora_attribute_group;
+		}
+		log_info("detected board %s", tmp);
+	} else if (strncmp(id_eeprom.hw_version, HW_VERSION_MTR_0_0, strlen(HW_VERSION_MTR_0_0)) == 0) {
+		attr_group = &mtr_platform_attribute_group;
+		gpio_pins = gpio_pins_mtr_0_0;
+        set_buttons(default_buttons);
+		mts_hw_version = MTR_0_0;
+		log_info("detected board %s", HW_VERSION_MTR_0_0);
+	} else if (strncmp(id_eeprom.hw_version, HW_VERSION_MTR_0_1, strlen(HW_VERSION_MTR_0_1)) == 0) {
+		attr_group = &mtr_platform_attribute_group;
+		gpio_pins = gpio_pins_mtr_0_1;
+        set_buttons(default_buttons);
+		mts_hw_version = MTR_0_1;
+		log_info("detected board %s", HW_VERSION_MTR_0_1);
+	} else if (strncmp(id_eeprom.hw_version, HW_VERSION_MTRV1_0_0, strlen(HW_VERSION_MTRV1_0_0)) == 0) {
+                attr_group = &mtr_platform_attribute_group;
+                gpio_pins = gpio_pins_mtrv1_0_0;
+	set_buttons(default_buttons);
+                mts_hw_version = MTRV1_0_0;
+                log_info("detected board %s", HW_VERSION_MTRV1_0_0);
+	} else if (strncmp(id_eeprom.hw_version, HW_VERSION_MTRV1_0_1, strlen(HW_VERSION_MTRV1_0_1)) == 0) {
+		attr_group = &mtrv1_0_1_platform_attribute_group;
+		gpio_pins = gpio_pins_mtrv1_0_1;
+        set_buttons(default_buttons);
+		mts_hw_version = MTRV1_0_1;
+		log_info("detected board %s", HW_VERSION_MTRV1_0_1);
+	} else if (strncmp(id_eeprom.hw_version, HW_VERSION_MTRV1_0_2, strlen(HW_VERSION_MTRV1_0_2)) == 0) {
+		attr_group = &mtrv1_0_2_platform_attribute_group;
+		gpio_pins = gpio_pins_mtrv1_0_2;
+	set_buttons(default_buttons);
+		mts_hw_version = MTRV1_0_2;
+		log_info("detected board %s", HW_VERSION_MTRV1_0_2);
+	} else if (strncmp(id_eeprom.hw_version, HW_VERSION_MTHS_0_0, strlen(HW_VERSION_MTHS_0_0)) == 0) {
+		attr_group = &mths_0_0_platform_attribute_group;
+		gpio_pins = gpio_pins_mths_0_0;
+		set_buttons(mths_buttons_0_0);
+		mts_hw_version = MTHS_0_0;
+		log_info("detected board %s", HW_VERSION_MTHS_0_0);
+	} else if (((tmp=HW_VERSION_MTCDT_0_1),strncmp(id_eeprom.hw_version, tmp, strlen(tmp)) == 0) ||
+            ((tmp=HW_VERSION_MTCDTIP_0_0),strncmp(id_eeprom.hw_version, tmp, strlen(tmp)) == 0)) {
+		current_blength = attr_blength = sizeof  mtcdt_0_1_platform_attributes;
+                current_blength -= sizeof(struct attribute *);  /* Length without terminating NULL */
+
+                /* See if we have no radio, and if so, prune out the stuff that follows */
+                if(noradio) {
+                    struct attribute **ap = mtcdt_0_1_platform_attribute_group.attrs;
+                    while(1) {
+                        if(ap[j] == NULL) {
+                            log_info("Did not find radio power attribute.  Possible driver fault.");
+                            break;
+                        }
+                        j++;
+                        if (is_radio_power_attr_mtcdt(ap[j])) {
+                            log_info("Pruning radio feature from mts-io",j);
+                            ap[j] = NULL;
+                            current_blength = attr_blength = j * sizeof (ap[j]);
+                            break;
+                        }
+                    }
+                }
+                
+		if(DEVICE_CAPA(id_eeprom.capa, CAPA_WIFI)) {
+			attr_blength += sizeof mtcdt_0_1_wifi_bt_attributes;
+		}
+		if(DEVICE_CAPA(id_eeprom.capa, CAPA_GPS)) {
+			attr_blength += sizeof mtcdt_0_1_gnss_attributes;
+		}
+                if (current_blength+(sizeof(struct attribute *)) != attr_blength) {
+			freelater = all_attrs = kmalloc(attr_blength,GFP_KERNEL);
+			current_count = current_blength/(sizeof (struct attribute *));
+			memcpy(all_attrs,mtcdt_0_1_platform_attributes,current_blength);
+			if(DEVICE_CAPA(id_eeprom.capa, CAPA_WIFI)) {
+				log_info("Adding WiFi/BT to mts-io driver");
+				memcpy(all_attrs + current_count,mtcdt_0_1_wifi_bt_attributes,sizeof mtcdt_0_1_wifi_bt_attributes);
+				current_count += sizeof mtcdt_0_1_wifi_bt_attributes / (sizeof  (struct attribute *));
+			}
+			if(DEVICE_CAPA(id_eeprom.capa, CAPA_GPS)) {
+				log_info("Adding GPS to mts-io driver");
+				attr_blength += sizeof mtcdt_0_1_gnss_attributes;
+				memcpy(all_attrs + current_count,mtcdt_0_1_gnss_attributes,sizeof mtcdt_0_1_gnss_attributes);
+				current_count += sizeof mtcdt_0_1_gnss_attributes / (sizeof  (struct attribute *));
+			}
+			all_attrs[current_count] = (struct attribute *)NULL;
+			mtcdt_0_1_platform_attribute_group.attrs = all_attrs;
+		}
+
+		attr_group = &mtcdt_0_1_platform_attribute_group;
+		gpio_pins = gpio_pins_mtcdt_0_1;
+        set_buttons(default_buttons);
+                log_info("detected board %s", tmp);
+        } else if ((tmp=HW_VERSION_MTCDTIPHP_0_0),strncmp(id_eeprom.hw_version, tmp, strlen(tmp)) == 0) {
+                current_blength = attr_blength = sizeof  mtcdt_0_1_platform_attributes;
+                current_blength -= sizeof(struct attribute *);  /* Length without terminating NULL */
+
+                /* See if we have no radio, and if so, prune out the stuff that follows */
+                if(noradio) {
+                    struct attribute **ap = mtcdt_0_1_platform_attribute_group.attrs;
+                    while(1) {
+                        if(ap[j] == NULL) {
+                            log_info("Did not find radio power attribute.  Possible driver fault.");
+                            break;
+                        }
+                        j++;
+                        if (is_radio_power_attr_mtcdt(ap[j])) {
+                            log_info("Pruning radio feature from mts-io",j);
+                            ap[j] = NULL;
+                            current_blength = attr_blength = j * sizeof (ap[j]);
+                            break;
+                        }
+                    }
+                }
+		if(DEVICE_CAPA(id_eeprom.capa, CAPA_WIFI)) {
+			attr_blength += sizeof mtcdt_0_1_wifi_bt_attributes;
+		}
+		if (current_blength+(sizeof(struct attribute *)) != attr_blength) {
+			freelater = all_attrs = kmalloc(attr_blength,GFP_KERNEL);
+			current_count = current_blength/(sizeof (struct attribute *));
+			memcpy(all_attrs,mtcdt_0_1_platform_attributes,current_blength);
+			if(DEVICE_CAPA(id_eeprom.capa, CAPA_WIFI)) {
+				log_info("Adding WiFi/BT to mts-io driver");
+				memcpy(all_attrs + current_count,mtcdt_0_1_wifi_bt_attributes,sizeof mtcdt_0_1_wifi_bt_attributes);
+				current_count += sizeof mtcdt_0_1_wifi_bt_attributes / (sizeof  (struct attribute *));
+			}
+			/* MTCDTIPHP does not have GPS reset/interrupt tied to the CPU
+			 * so do not instantiate the GPS attributes */
+			all_attrs[current_count] = (struct attribute *)NULL;
+			mtcdt_0_1_platform_attribute_group.attrs = all_attrs;
+		}
+                
+		attr_group = &mtcdt_0_1_platform_attribute_group;
+		gpio_pins = gpio_pins_mtcdt_0_1;
+		if (DEVICE_CAPA(id_eeprom.capa, CAPA_LORA)) {
+			attr_group_lora = &mtcdtiphp_0_0_lora_attribute_group;
+                }
+        set_buttons(default_buttons);
+		log_info("detected board %s", tmp);
+	} else {
+                if(noradio) {
+                    struct attribute **ap = mtcdt_platform_attribute_group.attrs;
+                    while(1) {
+                        if(ap[j] == NULL) {
+                            log_info("Did not find radio power attribute.  Possible driver fault.");
+                            break;
+                        }
+                        j++;
+                        if (is_radio_power_attr_mtcdt(ap[j])) {
+                            log_info("Pruning radio feature from mts-io",j);
+                            ap[j] = NULL;
+                            break;
+                        }
+                    }
+                }
+
+		attr_group = &mtcdt_platform_attribute_group;
+		gpio_pins = gpio_pins_mtcdt_0_0;
+		mts_hw_version = MTCDT_0_0;
+        set_buttons(default_buttons);
+		log_info("detected board %s", HW_VERSION_MTCDT_0_0);
+	}
+
+	log_info("sizeof: %lu", (unsigned long) sizeof(struct mts_id_eeprom_layout));
+	log_info("vendor-id: %.32s", id_eeprom.vendor_id);
+	log_info("product-id: %.32s",  id_eeprom.product_id);
+	log_info("device-id: %.32s",  id_eeprom.device_id);
+	log_info("hw-version: %.32s",  id_eeprom.hw_version);
+	log_info("mac-addr: %02X:%02X:%02X:%02X:%02X:%02X",
+            id_eeprom.mac_addr[0],
+            id_eeprom.mac_addr[1],
+            id_eeprom.mac_addr[2],
+            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");
+	log_info("capa-dout: %s", DEVICE_CAPA(id_eeprom.capa, CAPA_DOUT) ? "yes" : "no");
+	log_info("capa-adc: %s", DEVICE_CAPA(id_eeprom.capa, CAPA_ADC) ? "yes" : "no");
+	log_info("capa-wifi: %s", DEVICE_CAPA(id_eeprom.capa, CAPA_WIFI) ? "yes" : "no");
+	log_info("capa-bluetooth: %s", DEVICE_CAPA(id_eeprom.capa, CAPA_BLUETOOTH) ? "yes" : "no");
+	log_info("capa-lora: %s", DEVICE_CAPA(id_eeprom.capa, CAPA_LORA) ? "yes" : "no");
+
+	if (DEVICE_CAPA(id_eeprom.capa, CAPA_BLUETOOTH)) {
+		log_info("mac-bluetooth: %02X:%02X:%02X:%02X:%02X:%02X",
+			id_eeprom.mac_bluetooth[0],
+			id_eeprom.mac_bluetooth[1],
+			id_eeprom.mac_bluetooth[2],
+			id_eeprom.mac_bluetooth[3],
+			id_eeprom.mac_bluetooth[4],
+			id_eeprom.mac_bluetooth[5]);
+	}
+	if (DEVICE_CAPA(id_eeprom.capa, CAPA_WIFI)) {
+		log_info("mac-wifi: %02X:%02X:%02X:%02X:%02X:%02X",
+			id_eeprom.mac_wifi[0],
+			id_eeprom.mac_wifi[1],
+			id_eeprom.mac_wifi[2],
+			id_eeprom.mac_wifi[3],
+			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);
+
+	if (DEVICE_CAPA(id_eeprom.capa, CAPA_LORA)) {
+		log_info("lora-eui: %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X",
+			id_eeprom.lora_eui[0],
+			id_eeprom.lora_eui[1],
+			id_eeprom.lora_eui[2],
+			id_eeprom.lora_eui[3],
+			id_eeprom.lora_eui[4],
+			id_eeprom.lora_eui[5],
+			id_eeprom.lora_eui[6],
+			id_eeprom.lora_eui[7]);
+
+		log_info("lora-product-id: %.32s",  id_eeprom.lora_product_id);
+		log_info("lora-hw-version: %.32s", id_eeprom.lora_hw_version);
+	}
+	return 0;
+}
+
+static void cleanup(void)
+{
+	log_info("cleaning up....");
+	if (mts_io_platform_device) {
+		platform_device_unregister(mts_io_platform_device);
+	}
+
+	teardown_ports();
+	if(freelater) {
+		kfree(freelater);
+		freelater = NULL;
+	}
+
+	mts_capab_dir_delete();
+}
+
+static int __init mts_io_init(void)
+{
+	struct gpio_pin *pin;
+
+	int ret;
+
+	log_info("init: " DRIVER_VERSION);
+
+	ret = mts_id_eeprom_load();
+	if (ret) {
+		cleanup();
+		return ret;
+	}
+
+	mts_io_platform_device = platform_device_alloc(PLATFORM_NAME, -1);
+	if (!mts_io_platform_device) {
+		cleanup();
+		return -ENOMEM;
+	}
+
+	ret = platform_device_add(mts_io_platform_device);
+	if (ret) {
+		cleanup();
+		return ret;
+	}
+
+	init_ports();
+
+	ret = mts_capab_dir_create();
+	if (ret) {
+		cleanup();
+		return ret;
+	}
+
+	ret = sysfs_create_group(&mts_io_platform_device->dev.kobj, attr_group);
+	if (ret) {
+		cleanup();
+		return ret;
+	}
+
+	for (pin = gpio_pins; *pin->name; pin++) {
+		if (pin->capability == 0 || DEVICE_CAPA(id_eeprom.capa,pin->capability)) {
+			ret = gpio_request_one(pin->pin.gpio, pin->pin.flags, pin->pin.label);
+			if (ret)
+				log_debug("could not request pin %s (%d) but it could have already been requested under a different pin name", pin->name, ret);
+		}
+	}
+#ifndef NEW_BUTTON_INTERFACE
+	// start the reset handler
+	reset_callback(NULL);
+#else
+	// start general buttons processing
+	init_buttons();
+#endif
+	/* init timers */
+	setup_timer(&radio_reset_timer, radio_reset_timer_callback, 0);
+	setup_timer(&radio_reset_available_timer, radio_reset_available_timer_callback, 0);
+
+	return 0;
+}
+
+static void __exit mts_io_exit(void)
+{
+	/* delete radio_reset_timer */
+	del_timer(&radio_reset_timer);
+	/* delete radio_reset_available_timer */
+	del_timer(&radio_reset_available_timer);
+
+#ifndef NEW_BUTTON_INTERFACE
+	cancel_delayed_work_sync(&reset_work);
+#else
+	cleanup_buttons();
+#endif
+	cleanup();
+
+	log_info("exiting");
+}
+
+module_init(mts_io_init);
+module_exit(mts_io_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
+
+MODULE_ALIAS("mts-io-ap1-dout");
+MODULE_ALIAS("mts-io-ap1-din");
+MODULE_ALIAS("mts-io-ap1-adc");
+MODULE_ALIAS("mts-io-ap2-dout");
+MODULE_ALIAS("mts-io-ap2-din");
+MODULE_ALIAS("mts-io-ap2-adc");