[ms2-fixes] / debounce.c

#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/gpio_event.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <mach/gpio.h>

#define PREFIX "debounce: "

static unsigned old_flags = 0;
static ktime_t old_debounce_delay;
static ktime_t old_settle_time;
static ktime_t old_poll_time;
static int (*old_sw_fixup)(int index);
static struct gpio_event_matrix_info *gpio_evmi = NULL;
static int hw_debounce = 0;
static int hw_debounce_time = 0;

static int find_ms2_dev(struct device *dev, void *data)
{
	if (!strncmp((char*)data, dev_name(dev), strlen((char*)data))) {
		printk(KERN_INFO PREFIX "Found it\n");
		return 1;
	}
	return 0;
}

/* hardware debounce: (time + 1) * 31us */
static void hw_debounce_set(int enable, int time) {
	int i;

	if (gpio_evmi == NULL)
		return;

	for (i = 0; i < gpio_evmi->ninputs; i++) {
		int gpio = gpio_evmi->input_gpios[i];

		if ((time != -1) && (time != hw_debounce_time) && hw_debounce) {
			printk(KERN_INFO PREFIX "Setting hardware debounce time for GPIO %d to %d (%dus)\n", gpio, time, (time+1)*31);
			omap_set_gpio_debounce_time(gpio, time);
		}

		if ((enable != -1) && (enable != hw_debounce)) {
			printk(KERN_INFO PREFIX "%sabling hardware debounce for GPIO %d\n", (enable?"En":"Dis"), gpio);
			omap_set_gpio_debounce(gpio, enable);
		}
	}
}

static void set_irq_types(void) {
	int err;
	unsigned int irq;
	unsigned long type;
	int i;

	if (gpio_evmi == NULL)
		return;

	switch (gpio_evmi->flags & (GPIOKPF_ACTIVE_HIGH|GPIOKPF_LEVEL_TRIGGERED_IRQ)) {
	default:
		type = IRQ_TYPE_EDGE_FALLING;
		break;
	case GPIOKPF_ACTIVE_HIGH:
		type = IRQ_TYPE_EDGE_RISING;
		break;
	case GPIOKPF_LEVEL_TRIGGERED_IRQ:
		type = IRQ_TYPE_LEVEL_LOW;
		break;
	case GPIOKPF_LEVEL_TRIGGERED_IRQ | GPIOKPF_ACTIVE_HIGH:
		type = IRQ_TYPE_LEVEL_HIGH;
		break;
	}

	printk(KERN_INFO PREFIX "Settinhg IRQ type to 0x%lx\n", type);

	for (i = 0; i < gpio_evmi->ninputs; i++) {

		err = irq = gpio_to_irq(gpio_evmi->input_gpios[i]);

		if (err < 0)
			return;

		err = set_irq_type(irq, type);
	}
}

static ssize_t show_debounce_delay(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%ld\n", (gpio_evmi->debounce_delay.tv.nsec / NSEC_PER_MSEC));
}

static void set_debounce_delay(long delay)
{
	if (gpio_evmi->debounce_delay.tv.nsec != delay * NSEC_PER_MSEC) {
		printk(KERN_INFO PREFIX "Changing debounce_delay\n");
		gpio_evmi->debounce_delay.tv.nsec = delay * NSEC_PER_MSEC;
		printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec);
	}

#if 0
	if (gpio_evmi->debounce_delay.tv.nsec != 0) {
		if (!(gpio_evmi->flags & GPIOKPF_DEBOUNCE)) {
			printk(KERN_INFO PREFIX "Activating debounce\n");
			gpio_evmi->flags |= GPIOKPF_DEBOUNCE;
		}
	} else {
		if (gpio_evmi->flags & GPIOKPF_DEBOUNCE) {
			printk(KERN_INFO PREFIX "Deactivating debounce\n");
			gpio_evmi->flags &= ~GPIOKPF_DEBOUNCE;
		}
	}
#endif
}

static ssize_t store_debounce_delay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	long int delay;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%ld", &delay);
	set_debounce_delay(delay);

	return count;
}

static ssize_t show_settle_time(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%ld\n", (gpio_evmi->settle_time.tv.nsec / NSEC_PER_USEC));
}

static ssize_t store_settle_time(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	long int delay;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%ld", &delay);
	gpio_evmi->settle_time.tv.nsec = delay * NSEC_PER_USEC;

	return count;
}

static ssize_t show_poll_time(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%ld\n", (gpio_evmi->poll_time.tv.nsec / NSEC_PER_MSEC));
}

static ssize_t store_poll_time(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	long int delay;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%ld", &delay);
	gpio_evmi->poll_time.tv.nsec = delay * NSEC_PER_MSEC;

	return count;
}

static ssize_t show_flags(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "0x%x\n", gpio_evmi->flags);
}

static ssize_t store_flags(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flags;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "0x%x", &flags);

	printk(KERN_INFO PREFIX "flags: 0x%x\n", flags);

	gpio_evmi->flags = flags;

	return count;
}

static ssize_t show_debounce_flag(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_DEBOUNCE) ? 1 : 0);
}

static ssize_t store_debounce_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flag;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%u", &flag);

	if (flag) {
		gpio_evmi->flags |= GPIOKPF_DEBOUNCE;
	} else {
		gpio_evmi->flags &= ~GPIOKPF_DEBOUNCE;
	}

	return count;
}

static ssize_t show_remove_some_phantom_keys_flag(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_REMOVE_SOME_PHANTOM_KEYS) ? 1 : 0);
}

static ssize_t store_remove_some_phantom_keys_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flag;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%u", &flag);

	if (flag) {
		gpio_evmi->flags |= GPIOKPF_REMOVE_SOME_PHANTOM_KEYS;
	} else {
		gpio_evmi->flags &= ~GPIOKPF_REMOVE_SOME_PHANTOM_KEYS;
	}

	return count;
}

static ssize_t show_print_unmapped_keys_flag(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_PRINT_UNMAPPED_KEYS) ? 1 : 0);
}

static ssize_t store_print_unmapped_keys_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flag;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%u", &flag);

	if (flag) {
		gpio_evmi->flags |= GPIOKPF_PRINT_UNMAPPED_KEYS;
	} else {
		gpio_evmi->flags &= ~GPIOKPF_PRINT_UNMAPPED_KEYS;
	}

	return count;
}

static ssize_t show_print_mapped_keys_flag(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_PRINT_MAPPED_KEYS) ? 1 : 0);
}

static ssize_t store_print_mapped_keys_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flag;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%u", &flag);

	if (flag) {
		gpio_evmi->flags |= GPIOKPF_PRINT_MAPPED_KEYS;
	} else {
		gpio_evmi->flags &= ~GPIOKPF_PRINT_MAPPED_KEYS;
	}

	return count;
}

static ssize_t show_print_phantom_keys_flag(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_PRINT_PHANTOM_KEYS) ? 1 : 0);
}

static ssize_t store_print_phantom_keys_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flag;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%u", &flag);

	if (flag) {
		gpio_evmi->flags |= GPIOKPF_PRINT_PHANTOM_KEYS;
	} else {
		gpio_evmi->flags &= ~GPIOKPF_PRINT_PHANTOM_KEYS;
	}

	return count;
}

static ssize_t show_active_high_flag(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_ACTIVE_HIGH) ? 1 : 0);
}

static ssize_t store_active_high_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flag;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%u", &flag);

	if (flag) {
		gpio_evmi->flags |= GPIOKPF_ACTIVE_HIGH;
	} else {
		gpio_evmi->flags &= ~GPIOKPF_ACTIVE_HIGH;
	}

	set_irq_types();

	return count;
}

static ssize_t show_level_triggered_irq_flag(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_LEVEL_TRIGGERED_IRQ) ? 1 : 0);
}

static ssize_t store_level_triggered_irq_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flag;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%u", &flag);

	if (flag) {
		gpio_evmi->flags |= GPIOKPF_LEVEL_TRIGGERED_IRQ;
	} else {
		gpio_evmi->flags &= ~GPIOKPF_LEVEL_TRIGGERED_IRQ;
	}

	set_irq_types();

	return count;
}

static ssize_t show_drive_inactive_flag(struct device *dev, struct device_attribute *attr, char *buf)
{
	if (!gpio_evmi) 
		return -ENODEV;

	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_DRIVE_INACTIVE) ? 1 : 0);
}

static ssize_t store_drive_inactive_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	unsigned flag;

	if (!gpio_evmi) 
		return -ENODEV;

	sscanf(buf, "%u", &flag);

	if (flag) {
		gpio_evmi->flags |= GPIOKPF_DRIVE_INACTIVE;
	} else {
		gpio_evmi->flags &= ~GPIOKPF_DRIVE_INACTIVE;
	}

	return count;
}

static ssize_t show_hw_debounce(struct device *dev, struct device_attribute *attr, char *buf)
{
	return snprintf(buf, PAGE_SIZE, "%d\n", hw_debounce);
}

static ssize_t store_hw_debounce(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	int enable;

	sscanf(buf, "%d", &enable);

	if (enable) {
		hw_debounce_set(1, -1);
		hw_debounce = 1;
	}
	else {
		hw_debounce_set(-1, 0);
		hw_debounce_set(0, -1);
		hw_debounce = 0;
		hw_debounce_time = 0;
	}

	return count;
}

static ssize_t show_hw_debounce_time(struct device *dev, struct device_attribute *attr, char *buf)
{
	return snprintf(buf, PAGE_SIZE, "%d\n", hw_debounce_time);
}

static ssize_t store_hw_debounce_time(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	int time;

	sscanf(buf, "%d", &time);

	if ((time < 0) || (time > 0xff))
		return count;

	if (!hw_debounce)
		return count;

	hw_debounce_set(-1, time);
	hw_debounce_time = time;

	return count;
}

static DEVICE_ATTR(debounce_delay, (S_IRUGO | S_IWUGO), show_debounce_delay, store_debounce_delay);
static DEVICE_ATTR(settle_time, (S_IRUGO | S_IWUGO), show_settle_time, store_settle_time);
static DEVICE_ATTR(poll_time, (S_IRUGO | S_IWUGO), show_poll_time, store_poll_time);
static DEVICE_ATTR(flags, (S_IRUGO), show_flags, store_flags);
static DEVICE_ATTR(debounce_flag, (S_IRUGO | S_IWUGO), show_debounce_flag, store_debounce_flag);
static DEVICE_ATTR(remove_some_phantom_keys_flag, (S_IRUGO | S_IWUGO), show_remove_some_phantom_keys_flag, store_remove_some_phantom_keys_flag);
static DEVICE_ATTR(print_unmapped_keys_flag, (S_IRUGO | S_IWUGO), show_print_unmapped_keys_flag, store_print_unmapped_keys_flag);
static DEVICE_ATTR(print_mapped_keys_flag, (S_IRUGO | S_IWUGO), show_print_mapped_keys_flag, store_print_mapped_keys_flag);
static DEVICE_ATTR(print_phantom_keys_flag, (S_IRUGO | S_IWUGO), show_print_phantom_keys_flag, store_print_phantom_keys_flag);
static DEVICE_ATTR(active_high_flag, (S_IRUGO | S_IWUGO), show_active_high_flag, store_active_high_flag);
static DEVICE_ATTR(level_triggered_irq_flag, (S_IRUGO | S_IWUGO), show_level_triggered_irq_flag, store_level_triggered_irq_flag);
static DEVICE_ATTR(drive_inactive_flag, (S_IRUGO | S_IWUGO), show_drive_inactive_flag, store_drive_inactive_flag);
static DEVICE_ATTR(hw_debounce, (S_IRUGO | S_IWUGO), show_hw_debounce, store_hw_debounce);
static DEVICE_ATTR(hw_debounce_time, (S_IRUGO | S_IWUGO), show_hw_debounce_time, store_hw_debounce_time);

#if 0
static int debounce_fixup(int index)
{
	int ret;

	printk(KERN_INFO PREFIX "0x%x\n", index);

	ret = old_sw_fixup(index);
	if (!ret)
		printk(KERN_INFO PREFIX "IGNORED!\n");

	return ret;
}
#endif

static void debounce_release(struct device *dev)
{
}

static struct device debounce_device = {
	.init_name = "debounce",
	.release = debounce_release,
};

static int __init debounce_init(void)
{
	struct device *event_dev = NULL;
	struct gpio_event_platform_data *gpio_epd;
	struct gpio_event_info *gpio_ei;
	int err = 0;

	printk(KERN_INFO PREFIX "Searching for " GPIO_EVENT_DEV_NAME "...\n");
	
	event_dev = device_find_child(&platform_bus, GPIO_EVENT_DEV_NAME, find_ms2_dev);
	if (event_dev == NULL)
		return -ENODEV;

	gpio_epd = (struct gpio_event_platform_data*)event_dev->platform_data;
	printk(KERN_INFO PREFIX "And there is a %s connected...\n", gpio_epd->name);
	if (strcmp(gpio_epd->name, "sholes-keypad"))
		return -ENODEV;

	gpio_ei = (struct gpio_event_info*)gpio_epd->info[0];
	gpio_evmi = container_of(gpio_ei, struct gpio_event_matrix_info, info);

	err = device_register(&debounce_device);
	if (err) {
		return err;
	}

	err = device_create_file(&debounce_device, &dev_attr_debounce_delay);
	err = device_create_file(&debounce_device, &dev_attr_settle_time);
	err = device_create_file(&debounce_device, &dev_attr_poll_time);
	err = device_create_file(&debounce_device, &dev_attr_flags);
	err = device_create_file(&debounce_device, &dev_attr_debounce_flag);
	err = device_create_file(&debounce_device, &dev_attr_remove_some_phantom_keys_flag);
	err = device_create_file(&debounce_device, &dev_attr_print_unmapped_keys_flag);
	err = device_create_file(&debounce_device, &dev_attr_print_mapped_keys_flag);
	err = device_create_file(&debounce_device, &dev_attr_print_phantom_keys_flag);
	err = device_create_file(&debounce_device, &dev_attr_active_high_flag);
	err = device_create_file(&debounce_device, &dev_attr_level_triggered_irq_flag);
	err = device_create_file(&debounce_device, &dev_attr_drive_inactive_flag);
	err = device_create_file(&debounce_device, &dev_attr_hw_debounce);
	err = device_create_file(&debounce_device, &dev_attr_hw_debounce_time);

	printk(KERN_INFO PREFIX "settle_time: %u\n", gpio_evmi->settle_time.tv.nsec);
	printk(KERN_INFO PREFIX "poll_time: %u\n", gpio_evmi->poll_time.tv.nsec);
	printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec);
	printk(KERN_INFO PREFIX "flags: 0x%x\n", gpio_evmi->flags);

	old_debounce_delay = gpio_evmi->debounce_delay;
	old_settle_time = gpio_evmi->settle_time;
	old_poll_time = gpio_evmi->poll_time;
	old_flags = gpio_evmi->flags;
	old_sw_fixup = gpio_evmi->sw_fixup;

#if 0
	printk(KERN_INFO PREFIX "Registering fixup handler\n");
	gpio_evmi->sw_fixup = debounce_fixup;
#endif

	return 0;
}

static void __exit debounce_exit(void)
{
	if (gpio_evmi) {
		if (gpio_evmi->debounce_delay.tv.nsec != old_debounce_delay.tv.nsec) {
			printk(KERN_INFO PREFIX "Restoring debounce_delay\n");
			gpio_evmi->debounce_delay = old_debounce_delay;
			printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec);
		}
		if (gpio_evmi->flags != old_flags) {
			printk(KERN_INFO PREFIX "Restoring flags\n");
			gpio_evmi->flags = old_flags;
			printk(KERN_INFO PREFIX "flags: 0x%x\n", gpio_evmi->flags);
			set_irq_types();
		}
		gpio_evmi->settle_time = old_settle_time;
		gpio_evmi->poll_time = old_poll_time;

		if (gpio_evmi->sw_fixup != old_sw_fixup) {
			printk(KERN_INFO PREFIX "Restoring fixup handler\n");
			gpio_evmi->sw_fixup = old_sw_fixup;
		}
	}
	hw_debounce_set(0, 0);
	device_remove_file(&debounce_device, &dev_attr_debounce_delay);
	device_remove_file(&debounce_device, &dev_attr_settle_time);
	device_remove_file(&debounce_device, &dev_attr_poll_time);
	device_remove_file(&debounce_device, &dev_attr_flags);
	device_remove_file(&debounce_device, &dev_attr_debounce_flag);
	device_remove_file(&debounce_device, &dev_attr_remove_some_phantom_keys_flag);
	device_remove_file(&debounce_device, &dev_attr_print_unmapped_keys_flag);
	device_remove_file(&debounce_device, &dev_attr_print_mapped_keys_flag);
	device_remove_file(&debounce_device, &dev_attr_print_phantom_keys_flag);
	device_remove_file(&debounce_device, &dev_attr_active_high_flag);
	device_remove_file(&debounce_device, &dev_attr_level_triggered_irq_flag);
	device_remove_file(&debounce_device, &dev_attr_drive_inactive_flag);
	device_remove_file(&debounce_device, &dev_attr_hw_debounce);
	device_remove_file(&debounce_device, &dev_attr_hw_debounce_time);
	device_unregister(&debounce_device);
}

module_init(debounce_init);
module_exit(debounce_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michael Gernoth <michael@gernoth.net>");
Commit	Line	Data
b422e333	1	#include <linux/module.h>
d1ff9643 MG	2	#include <linux/device.h>
	3	#include <linux/platform_device.h>
	4	#include <linux/gpio_event.h>
f4286301 MG	5	#include <linux/interrupt.h>
f4286301 MG	6	#include <linux/irq.h>
62a453fc MG	7	#include <mach/gpio.h>
62a453fc MG	8
ab5ed215 MG	9	#define PREFIX "debounce: "
ab5ed215 MG	10
a4838b14	11	static unsigned old_flags = 0;
29bad272 MG	12	static ktime_t old_debounce_delay;
	13	static ktime_t old_settle_time;
	14	static ktime_t old_poll_time;
e063f9d5	15	static int (*old_sw_fixup)(int index);
1e65c113	16	static struct gpio_event_matrix_info *gpio_evmi = NULL;
29bad272 MG	17	static int hw_debounce = 0;
29bad272 MG	18	static int hw_debounce_time = 0;
1e65c113	19
ab5ed215	20	static int find_ms2_dev(struct device dev, void data)
d1ff9643 MG	21	{
d1ff9643 MG	22	if (!strncmp((char)data, dev_name(dev), strlen((char)data))) {
ab5ed215	23	printk(KERN_INFO PREFIX "Found it\n");
d1ff9643 MG	24	return 1;
	25	}
	26	return 0;
	27	}
b422e333	28
29bad272 MG	29	/* hardware debounce: (time + 1) * 31us */
	30	static void hw_debounce_set(int enable, int time) {
	31	int i;
	32
	33	if (gpio_evmi == NULL)
	34	return;
	35
	36	for (i = 0; i < gpio_evmi->ninputs; i++) {
	37	int gpio = gpio_evmi->input_gpios[i];
	38
308fc1a5	39	if ((time != -1) && (time != hw_debounce_time) && hw_debounce) {
5df3a8e0	40	printk(KERN_INFO PREFIX "Setting hardware debounce time for GPIO %d to %d (%dus)\n", gpio, time, (time+1)*31);
29bad272 MG	41	omap_set_gpio_debounce_time(gpio, time);
29bad272 MG	42	}
308fc1a5 MG	43
	44	if ((enable != -1) && (enable != hw_debounce)) {
	45	printk(KERN_INFO PREFIX "%sabling hardware debounce for GPIO %d\n", (enable?"En":"Dis"), gpio);
	46	omap_set_gpio_debounce(gpio, enable);
	47	}
29bad272 MG	48	}
	49	}
	50
f4286301 MG	51	static void set_irq_types(void) {
	52	int err;
	53	unsigned int irq;
	54	unsigned long type;
	55	int i;
	56
	57	if (gpio_evmi == NULL)
	58	return;
	59
	60	switch (gpio_evmi->flags & (GPIOKPF_ACTIVE_HIGH\|GPIOKPF_LEVEL_TRIGGERED_IRQ)) {
	61	default:
	62	type = IRQ_TYPE_EDGE_FALLING;
	63	break;
	64	case GPIOKPF_ACTIVE_HIGH:
	65	type = IRQ_TYPE_EDGE_RISING;
	66	break;
	67	case GPIOKPF_LEVEL_TRIGGERED_IRQ:
	68	type = IRQ_TYPE_LEVEL_LOW;
	69	break;
	70	case GPIOKPF_LEVEL_TRIGGERED_IRQ \| GPIOKPF_ACTIVE_HIGH:
	71	type = IRQ_TYPE_LEVEL_HIGH;
	72	break;
	73	}
	74
	75	printk(KERN_INFO PREFIX "Settinhg IRQ type to 0x%lx\n", type);
	76
	77	for (i = 0; i < gpio_evmi->ninputs; i++) {
	78
	79	err = irq = gpio_to_irq(gpio_evmi->input_gpios[i]);
	80
	81	if (err < 0)
	82	return;
	83
	84	err = set_irq_type(irq, type);
	85	}
	86	}
29bad272	87
f7cb07b2 MG	88	static ssize_t show_debounce_delay(struct device dev, struct device_attribute attr, char *buf)
	89	{
	90	if (!gpio_evmi)
	91	return -ENODEV;
	92
	93	return snprintf(buf, PAGE_SIZE, "%ld\n", (gpio_evmi->debounce_delay.tv.nsec / NSEC_PER_MSEC));
	94	}
	95
	96	static void set_debounce_delay(long delay)
	97	{
	98	if (gpio_evmi->debounce_delay.tv.nsec != delay * NSEC_PER_MSEC) {
	99	printk(KERN_INFO PREFIX "Changing debounce_delay\n");
	100	gpio_evmi->debounce_delay.tv.nsec = delay * NSEC_PER_MSEC;
f7cb07b2 MG	101	printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec);
	102	}
	103
fc215caa	104	#if 0
f7cb07b2 MG	105	if (gpio_evmi->debounce_delay.tv.nsec != 0) {
	106	if (!(gpio_evmi->flags & GPIOKPF_DEBOUNCE)) {
	107	printk(KERN_INFO PREFIX "Activating debounce\n");
	108	gpio_evmi->flags \|= GPIOKPF_DEBOUNCE;
	109	}
	110	} else {
	111	if (gpio_evmi->flags & GPIOKPF_DEBOUNCE) {
	112	printk(KERN_INFO PREFIX "Deactivating debounce\n");
	113	gpio_evmi->flags &= ~GPIOKPF_DEBOUNCE;
	114	}
	115	}
fc215caa	116	#endif
f7cb07b2 MG	117	}
	118
	119	static ssize_t store_debounce_delay(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	120	{
	121	long int delay;
	122
	123	if (!gpio_evmi)
	124	return -ENODEV;
	125
	126	sscanf(buf, "%ld", &delay);
	127	set_debounce_delay(delay);
	128
fc215caa	129	return count;
f7cb07b2 MG	130	}
	131
	132	static ssize_t show_settle_time(struct device dev, struct device_attribute attr, char *buf)
	133	{
	134	if (!gpio_evmi)
	135	return -ENODEV;
	136
	137	return snprintf(buf, PAGE_SIZE, "%ld\n", (gpio_evmi->settle_time.tv.nsec / NSEC_PER_USEC));
	138	}
	139
	140	static ssize_t store_settle_time(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	141	{
	142	long int delay;
	143
	144	if (!gpio_evmi)
	145	return -ENODEV;
	146
	147	sscanf(buf, "%ld", &delay);
	148	gpio_evmi->settle_time.tv.nsec = delay * NSEC_PER_USEC;
	149
fc215caa	150	return count;
f7cb07b2 MG	151	}
	152
	153	static ssize_t show_poll_time(struct device dev, struct device_attribute attr, char *buf)
	154	{
	155	if (!gpio_evmi)
	156	return -ENODEV;
	157
	158	return snprintf(buf, PAGE_SIZE, "%ld\n", (gpio_evmi->poll_time.tv.nsec / NSEC_PER_MSEC));
	159	}
	160
	161	static ssize_t store_poll_time(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	162	{
	163	long int delay;
	164
	165	if (!gpio_evmi)
	166	return -ENODEV;
	167
	168	sscanf(buf, "%ld", &delay);
	169	gpio_evmi->poll_time.tv.nsec = delay * NSEC_PER_MSEC;
	170
fc215caa	171	return count;
f7cb07b2 MG	172	}
	173
	174	static ssize_t show_flags(struct device dev, struct device_attribute attr, char *buf)
	175	{
	176	if (!gpio_evmi)
	177	return -ENODEV;
	178
	179	return snprintf(buf, PAGE_SIZE, "0x%x\n", gpio_evmi->flags);
	180	}
	181
	182	static ssize_t store_flags(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	183	{
	184	unsigned flags;
	185
	186	if (!gpio_evmi)
	187	return -ENODEV;
	188
	189	sscanf(buf, "0x%x", &flags);
fc215caa MG	190
	191	printk(KERN_INFO PREFIX "flags: 0x%x\n", flags);
	192
f7cb07b2 MG	193	gpio_evmi->flags = flags;
f7cb07b2 MG	194
fc215caa MG	195	return count;
	196	}
	197
	198	static ssize_t show_debounce_flag(struct device dev, struct device_attribute attr, char *buf)
	199	{
	200	if (!gpio_evmi)
	201	return -ENODEV;
	202
	203	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_DEBOUNCE) ? 1 : 0);
f7cb07b2 MG	204	}
f7cb07b2 MG	205
fc215caa MG	206	static ssize_t store_debounce_flag(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	207	{
	208	unsigned flag;
	209
	210	if (!gpio_evmi)
	211	return -ENODEV;
	212
	213	sscanf(buf, "%u", &flag);
	214
	215	if (flag) {
	216	gpio_evmi->flags \|= GPIOKPF_DEBOUNCE;
	217	} else {
	218	gpio_evmi->flags &= ~GPIOKPF_DEBOUNCE;
	219	}
	220
	221	return count;
	222	}
	223
	224	static ssize_t show_remove_some_phantom_keys_flag(struct device dev, struct device_attribute attr, char *buf)
	225	{
	226	if (!gpio_evmi)
	227	return -ENODEV;
	228
	229	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_REMOVE_SOME_PHANTOM_KEYS) ? 1 : 0);
	230	}
	231
	232	static ssize_t store_remove_some_phantom_keys_flag(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	233	{
	234	unsigned flag;
	235
	236	if (!gpio_evmi)
	237	return -ENODEV;
	238
	239	sscanf(buf, "%u", &flag);
	240
	241	if (flag) {
	242	gpio_evmi->flags \|= GPIOKPF_REMOVE_SOME_PHANTOM_KEYS;
	243	} else {
	244	gpio_evmi->flags &= ~GPIOKPF_REMOVE_SOME_PHANTOM_KEYS;
	245	}
	246
	247	return count;
	248	}
	249
	250	static ssize_t show_print_unmapped_keys_flag(struct device dev, struct device_attribute attr, char *buf)
	251	{
	252	if (!gpio_evmi)
	253	return -ENODEV;
	254
	255	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_PRINT_UNMAPPED_KEYS) ? 1 : 0);
	256	}
	257
	258	static ssize_t store_print_unmapped_keys_flag(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	259	{
	260	unsigned flag;
	261
	262	if (!gpio_evmi)
	263	return -ENODEV;
	264
	265	sscanf(buf, "%u", &flag);
	266
	267	if (flag) {
	268	gpio_evmi->flags \|= GPIOKPF_PRINT_UNMAPPED_KEYS;
	269	} else {
270	gpio_evmi->flags &= ~GPIOKPF_PRINT_UNMAPPED_KEYS;
271	}
272
273	return count;
274	}
275
276	static ssize_t show_print_mapped_keys_flag(struct device dev, struct device_attribute attr, char *buf)
277	{
278	if (!gpio_evmi)
279	return -ENODEV;
280
281	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_PRINT_MAPPED_KEYS) ? 1 : 0);
282	}
283
284	static ssize_t store_print_mapped_keys_flag(struct device dev, struct device_attribute attr, const char *buf, size_t count)
285	{
286	unsigned flag;
287
288	if (!gpio_evmi)
289	return -ENODEV;
290
291	sscanf(buf, "%u", &flag);
292
293	if (flag) {
294	gpio_evmi->flags \|= GPIOKPF_PRINT_MAPPED_KEYS;
295	} else {
296	gpio_evmi->flags &= ~GPIOKPF_PRINT_MAPPED_KEYS;
297	}
298
299	return count;
300	}
301
302	static ssize_t show_print_phantom_keys_flag(struct device dev, struct device_attribute attr, char *buf)
303	{
304	if (!gpio_evmi)
305	return -ENODEV;
306
307	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_PRINT_PHANTOM_KEYS) ? 1 : 0);
308	}
309
310	static ssize_t store_print_phantom_keys_flag(struct device dev, struct device_attribute attr, const char *buf, size_t count)
311	{
312	unsigned flag;
313
314	if (!gpio_evmi)
315	return -ENODEV;
316
317	sscanf(buf, "%u", &flag);
318
319	if (flag) {
320	gpio_evmi->flags \|= GPIOKPF_PRINT_PHANTOM_KEYS;
321	} else {
322	gpio_evmi->flags &= ~GPIOKPF_PRINT_PHANTOM_KEYS;
323	}
324
325	return count;
326	}
327
a2485674 MG	328	static ssize_t show_active_high_flag(struct device dev, struct device_attribute attr, char *buf)
	329	{
	330	if (!gpio_evmi)
	331	return -ENODEV;
	332
	333	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_ACTIVE_HIGH) ? 1 : 0);
	334	}
	335
	336	static ssize_t store_active_high_flag(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	337	{
	338	unsigned flag;
	339
	340	if (!gpio_evmi)
	341	return -ENODEV;
	342
	343	sscanf(buf, "%u", &flag);
	344
	345	if (flag) {
	346	gpio_evmi->flags \|= GPIOKPF_ACTIVE_HIGH;
	347	} else {
	348	gpio_evmi->flags &= ~GPIOKPF_ACTIVE_HIGH;
	349	}
	350
f4286301 MG	351	set_irq_types();
	352
	353	return count;
	354	}
	355
	356	static ssize_t show_level_triggered_irq_flag(struct device dev, struct device_attribute attr, char *buf)
	357	{
	358	if (!gpio_evmi)
	359	return -ENODEV;
	360
	361	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_LEVEL_TRIGGERED_IRQ) ? 1 : 0);
	362	}
	363
	364	static ssize_t store_level_triggered_irq_flag(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	365	{
	366	unsigned flag;
	367
	368	if (!gpio_evmi)
	369	return -ENODEV;
	370
	371	sscanf(buf, "%u", &flag);
	372
	373	if (flag) {
	374	gpio_evmi->flags \|= GPIOKPF_LEVEL_TRIGGERED_IRQ;
	375	} else {
	376	gpio_evmi->flags &= ~GPIOKPF_LEVEL_TRIGGERED_IRQ;
	377	}
	378
	379	set_irq_types();
	380
a2485674 MG	381	return count;
	382	}
	383
	384	static ssize_t show_drive_inactive_flag(struct device dev, struct device_attribute attr, char *buf)
	385	{
	386	if (!gpio_evmi)
	387	return -ENODEV;
	388
	389	return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_DRIVE_INACTIVE) ? 1 : 0);
	390	}
	391
	392	static ssize_t store_drive_inactive_flag(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	393	{
	394	unsigned flag;
	395
	396	if (!gpio_evmi)
	397	return -ENODEV;
	398
	399	sscanf(buf, "%u", &flag);
	400
	401	if (flag) {
	402	gpio_evmi->flags \|= GPIOKPF_DRIVE_INACTIVE;
	403	} else {
	404	gpio_evmi->flags &= ~GPIOKPF_DRIVE_INACTIVE;
	405	}
	406
	407	return count;
	408	}
	409
29bad272 MG	410	static ssize_t show_hw_debounce(struct device dev, struct device_attribute attr, char *buf)
	411	{
	412	return snprintf(buf, PAGE_SIZE, "%d\n", hw_debounce);
	413	}
	414
	415	static ssize_t store_hw_debounce(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	416	{
	417	int enable;
	418
	419	sscanf(buf, "%d", &enable);
	420
	421	if (enable) {
	422	hw_debounce_set(1, -1);
	423	hw_debounce = 1;
	424	}
	425	else {
c0cd650e	426	hw_debounce_set(-1, 0);
29bad272 MG	427	hw_debounce_set(0, -1);
29bad272 MG	428	hw_debounce = 0;
c0cd650e	429	hw_debounce_time = 0;
29bad272 MG	430	}
	431
	432	return count;
	433	}
	434
	435	static ssize_t show_hw_debounce_time(struct device dev, struct device_attribute attr, char *buf)
	436	{
	437	return snprintf(buf, PAGE_SIZE, "%d\n", hw_debounce_time);
	438	}
	439
	440	static ssize_t store_hw_debounce_time(struct device dev, struct device_attribute attr, const char *buf, size_t count)
	441	{
	442	int time;
	443
	444	sscanf(buf, "%d", &time);
	445
	446	if ((time < 0) \|\| (time > 0xff))
	447	return count;
	448
8440ec7c MG	449	if (!hw_debounce)
	450	return count;
	451
29bad272 MG	452	hw_debounce_set(-1, time);
	453	hw_debounce_time = time;
	454
	455	return count;
	456	}
	457
fc215caa MG	458	static DEVICE_ATTR(debounce_delay, (S_IRUGO \| S_IWUGO), show_debounce_delay, store_debounce_delay);
	459	static DEVICE_ATTR(settle_time, (S_IRUGO \| S_IWUGO), show_settle_time, store_settle_time);
	460	static DEVICE_ATTR(poll_time, (S_IRUGO \| S_IWUGO), show_poll_time, store_poll_time);
	461	static DEVICE_ATTR(flags, (S_IRUGO), show_flags, store_flags);
	462	static DEVICE_ATTR(debounce_flag, (S_IRUGO \| S_IWUGO), show_debounce_flag, store_debounce_flag);
	463	static DEVICE_ATTR(remove_some_phantom_keys_flag, (S_IRUGO \| S_IWUGO), show_remove_some_phantom_keys_flag, store_remove_some_phantom_keys_flag);
	464	static DEVICE_ATTR(print_unmapped_keys_flag, (S_IRUGO \| S_IWUGO), show_print_unmapped_keys_flag, store_print_unmapped_keys_flag);
	465	static DEVICE_ATTR(print_mapped_keys_flag, (S_IRUGO \| S_IWUGO), show_print_mapped_keys_flag, store_print_mapped_keys_flag);
	466	static DEVICE_ATTR(print_phantom_keys_flag, (S_IRUGO \| S_IWUGO), show_print_phantom_keys_flag, store_print_phantom_keys_flag);
60fe4255	467	static DEVICE_ATTR(active_high_flag, (S_IRUGO \| S_IWUGO), show_active_high_flag, store_active_high_flag);
f4286301	468	static DEVICE_ATTR(level_triggered_irq_flag, (S_IRUGO \| S_IWUGO), show_level_triggered_irq_flag, store_level_triggered_irq_flag);
a2485674	469	static DEVICE_ATTR(drive_inactive_flag, (S_IRUGO \| S_IWUGO), show_drive_inactive_flag, store_drive_inactive_flag);
29bad272 MG	470	static DEVICE_ATTR(hw_debounce, (S_IRUGO \| S_IWUGO), show_hw_debounce, store_hw_debounce);
29bad272 MG	471	static DEVICE_ATTR(hw_debounce_time, (S_IRUGO \| S_IWUGO), show_hw_debounce_time, store_hw_debounce_time);
f7cb07b2	472
e063f9d5 MG	473	#if 0
	474	static int debounce_fixup(int index)
	475	{
	476	int ret;
	477
	478	printk(KERN_INFO PREFIX "0x%x\n", index);
	479
	480	ret = old_sw_fixup(index);
	481	if (!ret)
	482	printk(KERN_INFO PREFIX "IGNORED!\n");
	483
	484	return ret;
	485	}
	486	#endif
	487
f7cb07b2 MG	488	static void debounce_release(struct device *dev)
	489	{
	490	}
	491
	492	static struct device debounce_device = {
	493	.init_name = "debounce",
	494	.release = debounce_release,
	495	};
	496
b422e333 MG	497	static int __init debounce_init(void)
b422e333 MG	498	{
d1ff9643 MG	499	struct device *event_dev = NULL;
	500	struct gpio_event_platform_data *gpio_epd;
	501	struct gpio_event_info *gpio_ei;
f7cb07b2	502	int err = 0;
d1ff9643	503
ab5ed215	504	printk(KERN_INFO PREFIX "Searching for " GPIO_EVENT_DEV_NAME "...\n");
d1ff9643 MG	505
	506	event_dev = device_find_child(&platform_bus, GPIO_EVENT_DEV_NAME, find_ms2_dev);
	507	if (event_dev == NULL)
	508	return -ENODEV;
	509
	510	gpio_epd = (struct gpio_event_platform_data*)event_dev->platform_data;
ab5ed215	511	printk(KERN_INFO PREFIX "And there is a %s connected...\n", gpio_epd->name);
d1ff9643 MG	512	if (strcmp(gpio_epd->name, "sholes-keypad"))
	513	return -ENODEV;
	514
	515	gpio_ei = (struct gpio_event_info*)gpio_epd->info[0];
	516	gpio_evmi = container_of(gpio_ei, struct gpio_event_matrix_info, info);
	517
f7cb07b2 MG	518	err = device_register(&debounce_device);
	519	if (err) {
	520	return err;
	521	}
	522
	523	err = device_create_file(&debounce_device, &dev_attr_debounce_delay);
	524	err = device_create_file(&debounce_device, &dev_attr_settle_time);
	525	err = device_create_file(&debounce_device, &dev_attr_poll_time);
	526	err = device_create_file(&debounce_device, &dev_attr_flags);
fc215caa MG	527	err = device_create_file(&debounce_device, &dev_attr_debounce_flag);
	528	err = device_create_file(&debounce_device, &dev_attr_remove_some_phantom_keys_flag);
	529	err = device_create_file(&debounce_device, &dev_attr_print_unmapped_keys_flag);
	530	err = device_create_file(&debounce_device, &dev_attr_print_mapped_keys_flag);
	531	err = device_create_file(&debounce_device, &dev_attr_print_phantom_keys_flag);
a2485674	532	err = device_create_file(&debounce_device, &dev_attr_active_high_flag);
f4286301	533	err = device_create_file(&debounce_device, &dev_attr_level_triggered_irq_flag);
a2485674	534	err = device_create_file(&debounce_device, &dev_attr_drive_inactive_flag);
29bad272 MG	535	err = device_create_file(&debounce_device, &dev_attr_hw_debounce);
29bad272 MG	536	err = device_create_file(&debounce_device, &dev_attr_hw_debounce_time);
f7cb07b2	537
ab5ed215 MG	538	printk(KERN_INFO PREFIX "settle_time: %u\n", gpio_evmi->settle_time.tv.nsec);
	539	printk(KERN_INFO PREFIX "poll_time: %u\n", gpio_evmi->poll_time.tv.nsec);
	540	printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec);
	541	printk(KERN_INFO PREFIX "flags: 0x%x\n", gpio_evmi->flags);
20bf1c9e	542
bb65757a MG	543	old_debounce_delay = gpio_evmi->debounce_delay;
	544	old_settle_time = gpio_evmi->settle_time;
	545	old_poll_time = gpio_evmi->poll_time;
	546	old_flags = gpio_evmi->flags;
e063f9d5	547	old_sw_fixup = gpio_evmi->sw_fixup;
1e65c113	548
e063f9d5 MG	549	#if 0
	550	printk(KERN_INFO PREFIX "Registering fixup handler\n");
	551	gpio_evmi->sw_fixup = debounce_fixup;
	552	#endif
a4838b14	553
b422e333 MG	554	return 0;
	555	}
	556
	557	static void __exit debounce_exit(void)
	558	{
1e65c113	559	if (gpio_evmi) {
bb65757a	560	if (gpio_evmi->debounce_delay.tv.nsec != old_debounce_delay.tv.nsec) {
1e65c113	561	printk(KERN_INFO PREFIX "Restoring debounce_delay\n");
bb65757a	562	gpio_evmi->debounce_delay = old_debounce_delay;
1e65c113 MG	563	printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec);
1e65c113 MG	564	}
a4838b14 MG	565	if (gpio_evmi->flags != old_flags) {
	566	printk(KERN_INFO PREFIX "Restoring flags\n");
	567	gpio_evmi->flags = old_flags;
	568	printk(KERN_INFO PREFIX "flags: 0x%x\n", gpio_evmi->flags);
f4286301	569	set_irq_types();
a4838b14	570	}
bb65757a MG	571	gpio_evmi->settle_time = old_settle_time;
bb65757a MG	572	gpio_evmi->poll_time = old_poll_time;
e063f9d5 MG	573
	574	if (gpio_evmi->sw_fixup != old_sw_fixup) {
	575	printk(KERN_INFO PREFIX "Restoring fixup handler\n");
	576	gpio_evmi->sw_fixup = old_sw_fixup;
	577	}
1e65c113	578	}
29bad272	579	hw_debounce_set(0, 0);
f7cb07b2 MG	580	device_remove_file(&debounce_device, &dev_attr_debounce_delay);
	581	device_remove_file(&debounce_device, &dev_attr_settle_time);
	582	device_remove_file(&debounce_device, &dev_attr_poll_time);
	583	device_remove_file(&debounce_device, &dev_attr_flags);
fc215caa MG	584	device_remove_file(&debounce_device, &dev_attr_debounce_flag);
	585	device_remove_file(&debounce_device, &dev_attr_remove_some_phantom_keys_flag);
	586	device_remove_file(&debounce_device, &dev_attr_print_unmapped_keys_flag);
	587	device_remove_file(&debounce_device, &dev_attr_print_mapped_keys_flag);
	588	device_remove_file(&debounce_device, &dev_attr_print_phantom_keys_flag);
a2485674	589	device_remove_file(&debounce_device, &dev_attr_active_high_flag);
f4286301	590	device_remove_file(&debounce_device, &dev_attr_level_triggered_irq_flag);
a2485674	591	device_remove_file(&debounce_device, &dev_attr_drive_inactive_flag);
29bad272 MG	592	device_remove_file(&debounce_device, &dev_attr_hw_debounce);
29bad272 MG	593	device_remove_file(&debounce_device, &dev_attr_hw_debounce_time);
f7cb07b2	594	device_unregister(&debounce_device);
b422e333 MG	595	}
	596
	597	module_init(debounce_init);
	598	module_exit(debounce_exit);
	599
	600	MODULE_LICENSE("GPL");
	601	MODULE_AUTHOR("Michael Gernoth <michael@gernoth.net>");