[patch 03/13] input: make input a multi-object module

Anssi Hannula
2006-05-26T16:32:39Z

[-- Attachment #1: ff-refactoring-multiobject-input.diff --]
[-- Type: text/plain, Size: 59219 bytes --]

Move the input.c to input-core.c and modify Makefile so that the input module
can be built from multiple source files. This is preparing for the input-ff.c.

Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>

---
drivers/input/Makefile | 2
drivers/input/input-core.c | 1099 +++++++++++++++++++++++++++++++++++++++++++++
drivers/input/input.c | 1099 ---------------------------------------------
3 files changed, 1101 insertions(+), 1099 deletions(-)

Index: linux-2.6.17-rc4-git12/drivers/input/input.c
===================================================================
--- linux-2.6.17-rc4-git12.orig/drivers/input/input.c 2006-05-24 16:30:58.000000000 +0300
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,1099 +0,0 @@
-/*
- * The input core
- *
- * Copyright (c) 1999-2002 Vojtech Pavlik
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/smp_lock.h>
-#include <linux/input.h>
-#include <linux/module.h>
-#include <linux/random.h>
-#include <linux/major.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/interrupt.h>
-#include <linux/poll.h>
-#include <linux/device.h>
-#include <linux/mutex.h>
-
-MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
-MODULE_DESCRIPTION("Input core");
-MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(input_allocate_device);
-EXPORT_SYMBOL(input_register_device);
-EXPORT_SYMBOL(input_unregister_device);
-EXPORT_SYMBOL(input_register_handler);
-EXPORT_SYMBOL(input_unregister_handler);
-EXPORT_SYMBOL(input_grab_device);
-EXPORT_SYMBOL(input_release_device);
-EXPORT_SYMBOL(input_open_device);
-EXPORT_SYMBOL(input_close_device);
-EXPORT_SYMBOL(input_accept_process);
-EXPORT_SYMBOL(input_flush_device);
-EXPORT_SYMBOL(input_event);
-EXPORT_SYMBOL_GPL(input_class);
-
-#define INPUT_DEVICES 256
-
-static LIST_HEAD(input_dev_list);
-static LIST_HEAD(input_handler_list);
-
-static struct input_handler *input_table[8];
-
-void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
-{
- struct input_handle *handle;
-
- if (type > EV_MAX || !test_bit(type, dev->evbit))
- return;
-
- add_input_randomness(type, code, value);
-
- switch (type) {
-
- case EV_SYN:
- switch (code) {
- case SYN_CONFIG:
- if (dev->event) dev->event(dev, type, code, value);
- break;
-
- case SYN_REPORT:
- if (dev->sync) return;
- dev->sync = 1;
- break;
- }
- break;
-
- case EV_KEY:
-
- if (code > KEY_MAX || !test_bit(code, dev->keybit) || !!test_bit(code, dev->key) == value)
- return;
-
- if (value == 2)
- break;
-
- change_bit(code, dev->key);
-
- if (test_bit(EV_REP, dev->evbit) && dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] && dev->timer.data && value) {
- dev->repeat_key = code;
- mod_timer(&dev->timer, jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]));
- }
-
- break;
-
- case EV_SW:
-
- if (code > SW_MAX || !test_bit(code, dev->swbit) || !!test_bit(code, dev->sw) == value)
- return;
-
- change_bit(code, dev->sw);
-
- break;
-
- case EV_ABS:
-
- if (code > ABS_MAX || !test_bit(code, dev->absbit))
- return;
-
- if (dev->absfuzz[code]) {
- if ((value > dev->abs[code] - (dev->absfuzz[code] >> 1)) &&
- (value < dev->abs[code] + (dev->absfuzz[code] >> 1)))
- return;
-
- if ((value > dev->abs[code] - dev->absfuzz[code]) &&
- (value < dev->abs[code] + dev->absfuzz[code]))
- value = (dev->abs[code] * 3 + value) >> 2;
-
- if ((value > dev->abs[code] - (dev->absfuzz[code] << 1)) &&
- (value < dev->abs[code] + (dev->absfuzz[code] << 1)))
- value = (dev->abs[code] + value) >> 1;
- }
-
- if (dev->abs[code] == value)
- return;
-
- dev->abs[code] = value;
- break;
-
- case EV_REL:
-
- if (code > REL_MAX || !test_bit(code, dev->relbit) || (value == 0))
- return;
-
- break;
-
- case EV_MSC:
-
- if (code > MSC_MAX || !test_bit(code, dev->mscbit))
- return;
-
- if (dev->event) dev->event(dev, type, code, value);
-
- break;
-
- case EV_LED:
-
- if (code > LED_MAX || !test_bit(code, dev->ledbit) || !!test_bit(code, dev->led) == value)
- return;
-
- change_bit(code, dev->led);
- if (dev->event) dev->event(dev, type, code, value);
-
- break;
-
- case EV_SND:
-
- if (code > SND_MAX || !test_bit(code, dev->sndbit))
- return;
-
- if (!!test_bit(code, dev->snd) != !!value)
- change_bit(code, dev->snd);
-
- if (dev->event) dev->event(dev, type, code, value);
-
- break;
-
- case EV_REP:
-
- if (code > REP_MAX || value < 0 || dev->rep[code] == value) return;
-
- dev->rep[code] = value;
- if (dev->event) dev->event(dev, type, code, value);
-
- break;
-
- case EV_FF:
- if (dev->event) dev->event(dev, type, code, value);
- break;
- }
-
- if (type != EV_SYN)
- dev->sync = 0;
-
- if (dev->grab)
- dev->grab->handler->event(dev->grab, type, code, value);
- else
- list_for_each_entry(handle, &dev->h_list, d_node)
- if (handle->open)
- handle->handler->event(handle, type, code, value);
-}
-
-static void input_repeat_key(unsigned long data)
-{
- struct input_dev *dev = (void *) data;
-
- if (!test_bit(dev->repeat_key, dev->key))
- return;
-
- input_event(dev, EV_KEY, dev->repeat_key, 2);
- input_sync(dev);
-
- if (dev->rep[REP_PERIOD])
- mod_timer(&dev->timer, jiffies + msecs_to_jiffies(dev->rep[REP_PERIOD]));
-}
-
-int input_accept_process(struct input_handle *handle, struct file *file)
-{
- if (handle->dev->accept)
- return handle->dev->accept(handle->dev, file);
-
- return 0;
-}
-
-int input_grab_device(struct input_handle *handle)
-{
- if (handle->dev->grab)
- return -EBUSY;
-
- handle->dev->grab = handle;
- return 0;
-}
-
-void input_release_device(struct input_handle *handle)
-{
- if (handle->dev->grab == handle)
- handle->dev->grab = NULL;
-}
-
-int input_open_device(struct input_handle *handle)
-{
- struct input_dev *dev = handle->dev;
- int err;
-
- err = mutex_lock_interruptible(&dev->mutex);
- if (err)
- return err;
-
- handle->open++;
-
- if (!dev->users++ && dev->open)
- err = dev->open(dev);
-
- if (err)
- handle->open--;
-
- mutex_unlock(&dev->mutex);
-
- return err;
-}
-
-int input_flush_device(struct input_handle* handle, struct file* file)
-{
- if (handle->dev->flush)
- return handle->dev->flush(handle->dev, file);
-
- return 0;
-}
-
-void input_close_device(struct input_handle *handle)
-{
- struct input_dev *dev = handle->dev;
-
- input_release_device(handle);
-
- mutex_lock(&dev->mutex);
-
- if (!--dev->users && dev->close)
- dev->close(dev);
- handle->open--;
-
- mutex_unlock(&dev->mutex);
-}
-
-static void input_link_handle(struct input_handle *handle)
-{
- list_add_tail(&handle->d_node, &handle->dev->h_list);
- list_add_tail(&handle->h_node, &handle->handler->h_list);
-}
-
-#define MATCH_BIT(bit, max) \
- for (i = 0; i < NBITS(max); i++) \
- if ((id->bit[i] & dev->bit[i]) != id->bit[i]) \
- break; \
- if (i != NBITS(max)) \
- continue;
-
-static struct input_device_id *input_match_device(struct input_device_id *id, struct input_dev *dev)
-{
- int i;
-
- for (; id->flags || id->driver_info; id++) {
-
- if (id->flags & INPUT_DEVICE_ID_MATCH_BUS)
- if (id->bustype != dev->id.bustype)
- continue;
-
- if (id->flags & INPUT_DEVICE_ID_MATCH_VENDOR)
- if (id->vendor != dev->id.vendor)
- continue;
-
- if (id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT)
- if (id->product != dev->id.product)
- continue;
-
- if (id->flags & INPUT_DEVICE_ID_MATCH_VERSION)
- if (id->version != dev->id.version)
- continue;
-
- MATCH_BIT(evbit, EV_MAX);
- MATCH_BIT(keybit, KEY_MAX);
- MATCH_BIT(relbit, REL_MAX);
- MATCH_BIT(absbit, ABS_MAX);
- MATCH_BIT(mscbit, MSC_MAX);
- MATCH_BIT(ledbit, LED_MAX);
- MATCH_BIT(sndbit, SND_MAX);
- MATCH_BIT(ffbit, FF_MAX);
- MATCH_BIT(swbit, SW_MAX);
-
- return id;
- }
-
- return NULL;
-}
-
-#ifdef CONFIG_PROC_FS
-
-static struct proc_dir_entry *proc_bus_input_dir;
-static DECLARE_WAIT_QUEUE_HEAD(input_devices_poll_wait);
-static int input_devices_state;
-
-static inline void input_wakeup_procfs_readers(void)
-{
- input_devices_state++;
- wake_up(&input_devices_poll_wait);
-}
-
-static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait)
-{
- int state = input_devices_state;
- poll_wait(file, &input_devices_poll_wait, wait);
- if (state != input_devices_state)
- return POLLIN | POLLRDNORM;
- return 0;
-}
-
-static struct list_head *list_get_nth_element(struct list_head *list, loff_t *pos)
-{
- struct list_head *node;
- loff_t i = 0;
-
- list_for_each(node, list)
- if (i++ == *pos)
- return node;
-
- return NULL;
-}
-
-static struct list_head *list_get_next_element(struct list_head *list, struct list_head *element, loff_t *pos)
-{
- if (element->next == list)
- return NULL;
-
- ++(*pos);
- return element->next;
-}
-
-static void *input_devices_seq_start(struct seq_file *seq, loff_t *pos)
-{
- /* acquire lock here ... Yes, we do need locking, I knowi, I know... */
-
- return list_get_nth_element(&input_dev_list, pos);
-}
-
-static void *input_devices_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- return list_get_next_element(&input_dev_list, v, pos);
-}
-
-static void input_devices_seq_stop(struct seq_file *seq, void *v)
-{
- /* release lock here */
-}
-
-static void input_seq_print_bitmap(struct seq_file *seq, const char *name,
- unsigned long *bitmap, int max)
-{
- int i;
-
- for (i = NBITS(max) - 1; i > 0; i--)
- if (bitmap[i])
- break;
-
- seq_printf(seq, "B: %s=", name);
- for (; i >= 0; i--)
- seq_printf(seq, "%lx%s", bitmap[i], i > 0 ? " " : "");
- seq_putc(seq, '\n');
-}
-
-static int input_devices_seq_show(struct seq_file *seq, void *v)
-{
- struct input_dev *dev = container_of(v, struct input_dev, node);
- const char *path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
- struct input_handle *handle;
-
- seq_printf(seq, "I: Bus=%04x Vendor=%04x Product=%04x Version=%04x\n",
- dev->id.bustype, dev->id.vendor, dev->id.product, dev->id.version);
-
- seq_printf(seq, "N: Name=\"%s\"\n", dev->name ? dev->name : "");
- seq_printf(seq, "P: Phys=%s\n", dev->phys ? dev->phys : "");
- seq_printf(seq, "S: Sysfs=%s\n", path ? path : "");
- seq_printf(seq, "H: Handlers=");
-
- list_for_each_entry(handle, &dev->h_list, d_node)
- seq_printf(seq, "%s ", handle->name);
- seq_putc(seq, '\n');
-
- input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX);
- if (test_bit(EV_KEY, dev->evbit))
- input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX);
- if (test_bit(EV_REL, dev->evbit))
- input_seq_print_bitmap(seq, "REL", dev->relbit, REL_MAX);
- if (test_bit(EV_ABS, dev->evbit))
- input_seq_print_bitmap(seq, "ABS", dev->absbit, ABS_MAX);
- if (test_bit(EV_MSC, dev->evbit))
- input_seq_print_bitmap(seq, "MSC", dev->mscbit, MSC_MAX);
- if (test_bit(EV_LED, dev->evbit))
- input_seq_print_bitmap(seq, "LED", dev->ledbit, LED_MAX);
- if (test_bit(EV_SND, dev->evbit))
- input_seq_print_bitmap(seq, "SND", dev->sndbit, SND_MAX);
- if (test_bit(EV_FF, dev->evbit))
- input_seq_print_bitmap(seq, "FF", dev->ffbit, FF_MAX);
- if (test_bit(EV_SW, dev->evbit))
- input_seq_print_bitmap(seq, "SW", dev->swbit, SW_MAX);
-
- seq_putc(seq, '\n');
-
- kfree(path);
- return 0;
-}
-
-static struct seq_operations input_devices_seq_ops = {
- .start = input_devices_seq_start,
- .next = input_devices_seq_next,
- .stop = input_devices_seq_stop,
- .show = input_devices_seq_show,
-};
-
-static int input_proc_devices_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &input_devices_seq_ops);
-}
-
-static struct file_operations input_devices_fileops = {
- .owner = THIS_MODULE,
- .open = input_proc_devices_open,
- .poll = input_proc_devices_poll,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static void *input_handlers_seq_start(struct seq_file *seq, loff_t *pos)
-{
- /* acquire lock here ... Yes, we do need locking, I knowi, I know... */
- seq->private = (void *)(unsigned long)*pos;
- return list_get_nth_element(&input_handler_list, pos);
-}
-
-static void *input_handlers_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- seq->private = (void *)(unsigned long)(*pos + 1);
- return list_get_next_element(&input_handler_list, v, pos);
-}
-
-static void input_handlers_seq_stop(struct seq_file *seq, void *v)
-{
- /* release lock here */
-}
-
-static int input_handlers_seq_show(struct seq_file *seq, void *v)
-{
- struct input_handler *handler = container_of(v, struct input_handler, node);
-
- seq_printf(seq, "N: Number=%ld Name=%s",
- (unsigned long)seq->private, handler->name);
- if (handler->fops)
- seq_printf(seq, " Minor=%d", handler->minor);
- seq_putc(seq, '\n');
-
- return 0;
-}
-static struct seq_operations input_handlers_seq_ops = {
- .start = input_handlers_seq_start,
- .next = input_handlers_seq_next,
- .stop = input_handlers_seq_stop,
- .show = input_handlers_seq_show,
-};
-
-static int input_proc_handlers_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &input_handlers_seq_ops);
-}
-
-static struct file_operations input_handlers_fileops = {
- .owner = THIS_MODULE,
- .open = input_proc_handlers_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static int __init input_proc_init(void)
-{
- struct proc_dir_entry *entry;
-
- proc_bus_input_dir = proc_mkdir("input", proc_bus);
- if (!proc_bus_input_dir)
- return -ENOMEM;
-
- proc_bus_input_dir->owner = THIS_MODULE;
-
- entry = create_proc_entry("devices", 0, proc_bus_input_dir);
- if (!entry)
- goto fail1;
-
- entry->owner = THIS_MODULE;
- entry->proc_fops = &input_devices_fileops;
-
- entry = create_proc_entry("handlers", 0, proc_bus_input_dir);
- if (!entry)
- goto fail2;
-
- entry->owner = THIS_MODULE;
- entry->proc_fops = &input_handlers_fileops;
-
- return 0;
-
- fail2: remove_proc_entry("devices", proc_bus_input_dir);
- fail1: remove_proc_entry("input", proc_bus);
- return -ENOMEM;
-}
-
-static void input_proc_exit(void)
-{
- remove_proc_entry("devices", proc_bus_input_dir);
- remove_proc_entry("handlers", proc_bus_input_dir);
- remove_proc_entry("input", proc_bus);
-}
-
-#else /* !CONFIG_PROC_FS */
-static inline void input_wakeup_procfs_readers(void) { }
-static inline int input_proc_init(void) { return 0; }
-static inline void input_proc_exit(void) { }
-#endif
-
-#define INPUT_DEV_STRING_ATTR_SHOW(name) \
-static ssize_t input_dev_show_##name(struct class_device *dev, char *buf) \
-{ \
- struct input_dev *input_dev = to_input_dev(dev); \
- int retval; \
- \
- retval = mutex_lock_interruptible(&input_dev->mutex); \
- if (retval) \
- return retval; \
- \
- retval = scnprintf(buf, PAGE_SIZE, \
- "%s\n", input_dev->name ? input_dev->name : ""); \
- \
- mutex_unlock(&input_dev->mutex); \
- \
- return retval; \
-} \
-static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL);
-
-INPUT_DEV_STRING_ATTR_SHOW(name);
-INPUT_DEV_STRING_ATTR_SHOW(phys);
-INPUT_DEV_STRING_ATTR_SHOW(uniq);
-
-static int input_print_modalias_bits(char *buf, int size,
- char name, unsigned long *bm,
- unsigned int min_bit, unsigned int max_bit)
-{
- int len = 0, i;
-
- len += snprintf(buf, max(size, 0), "%c", name);
- for (i = min_bit; i < max_bit; i++)
- if (bm[LONG(i)] & BIT(i))
- len += snprintf(buf + len, max(size - len, 0), "%X,", i);
- return len;
-}
-
-static int input_print_modalias(char *buf, int size, struct input_dev *id,
- int add_cr)
-{
- int len;
-
- len = snprintf(buf, max(size, 0),
- "input:b%04Xv%04Xp%04Xe%04X-",
- id->id.bustype, id->id.vendor,
- id->id.product, id->id.version);
-
- len += input_print_modalias_bits(buf + len, size - len,
- 'e', id->evbit, 0, EV_MAX);
- len += input_print_modalias_bits(buf + len, size - len,
- 'k', id->keybit, KEY_MIN_INTERESTING, KEY_MAX);
- len += input_print_modalias_bits(buf + len, size - len,
- 'r', id->relbit, 0, REL_MAX);
- len += input_print_modalias_bits(buf + len, size - len,
- 'a', id->absbit, 0, ABS_MAX);
- len += input_print_modalias_bits(buf + len, size - len,
- 'm', id->mscbit, 0, MSC_MAX);
- len += input_print_modalias_bits(buf + len, size - len,
- 'l', id->ledbit, 0, LED_MAX);
- len += input_print_modalias_bits(buf + len, size - len,
- 's', id->sndbit, 0, SND_MAX);
- len += input_print_modalias_bits(buf + len, size - len,
- 'f', id->ffbit, 0, FF_MAX);
- len += input_print_modalias_bits(buf + len, size - len,
- 'w', id->swbit, 0, SW_MAX);
-
- if (add_cr)
- len += snprintf(buf + len, max(size - len, 0), "\n");
-
- return len;
-}
-
-static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf)
-{
- struct input_dev *id = to_input_dev(dev);
- ssize_t len;
-
- len = input_print_modalias(buf, PAGE_SIZE, id, 1);
-
- return max_t(int, len, PAGE_SIZE);
-}
-static CLASS_DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
-
-static struct attribute *input_dev_attrs[] = {
- &class_device_attr_name.attr,
- &class_device_attr_phys.attr,
- &class_device_attr_uniq.attr,
- &class_device_attr_modalias.attr,
- NULL
-};
-
-static struct attribute_group input_dev_attr_group = {
- .attrs = input_dev_attrs,
-};
-
-#define INPUT_DEV_ID_ATTR(name) \
-static ssize_t input_dev_show_id_##name(struct class_device *dev, char *buf) \
-{ \
- struct input_dev *input_dev = to_input_dev(dev); \
- return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
-} \
-static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL);
-
-INPUT_DEV_ID_ATTR(bustype);
-INPUT_DEV_ID_ATTR(vendor);
-INPUT_DEV_ID_ATTR(product);
-INPUT_DEV_ID_ATTR(version);
-
-static struct attribute *input_dev_id_attrs[] = {
- &class_device_attr_bustype.attr,
- &class_device_attr_vendor.attr,
- &class_device_attr_product.attr,
- &class_device_attr_version.attr,
- NULL
-};
-
-static struct attribute_group input_dev_id_attr_group = {
- .name = "id",
- .attrs = input_dev_id_attrs,
-};
-
-static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
- int max, int add_cr)
-{
- int i;
- int len = 0;
-
- for (i = NBITS(max) - 1; i > 0; i--)
- if (bitmap[i])
- break;
-
- for (; i >= 0; i--)
- len += snprintf(buf + len, max(buf_size - len, 0),
- "%lx%s", bitmap[i], i > 0 ? " " : "");
-
- if (add_cr)
- len += snprintf(buf + len, max(buf_size - len, 0), "\n");
-
- return len;
-}
-
-#define INPUT_DEV_CAP_ATTR(ev, bm) \
-static ssize_t input_dev_show_cap_##bm(struct class_device *dev, char *buf) \
-{ \
- struct input_dev *input_dev = to_input_dev(dev); \
- int len = input_print_bitmap(buf, PAGE_SIZE, \
- input_dev->bm##bit, ev##_MAX, 1); \
- return min_t(int, len, PAGE_SIZE); \
-} \
-static CLASS_DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL);
-
-INPUT_DEV_CAP_ATTR(EV, ev);
-INPUT_DEV_CAP_ATTR(KEY, key);
-INPUT_DEV_CAP_ATTR(REL, rel);
-INPUT_DEV_CAP_ATTR(ABS, abs);
-INPUT_DEV_CAP_ATTR(MSC, msc);
-INPUT_DEV_CAP_ATTR(LED, led);
-INPUT_DEV_CAP_ATTR(SND, snd);
-INPUT_DEV_CAP_ATTR(FF, ff);
-INPUT_DEV_CAP_ATTR(SW, sw);
-
-static struct attribute *input_dev_caps_attrs[] = {
- &class_device_attr_ev.attr,
- &class_device_attr_key.attr,
- &class_device_attr_rel.attr,
- &class_device_attr_abs.attr,
- &class_device_attr_msc.attr,
- &class_device_attr_led.attr,
- &class_device_attr_snd.attr,
- &class_device_attr_ff.attr,
- &class_device_attr_sw.attr,
- NULL
-};
-
-static struct attribute_group input_dev_caps_attr_group = {
- .name = "capabilities",
- .attrs = input_dev_caps_attrs,
-};
-
-static void input_dev_release(struct class_device *class_dev)
-{
- struct input_dev *dev = to_input_dev(class_dev);
-
- kfree(dev);
- module_put(THIS_MODULE);
-}
-
-/*
- * Input uevent interface - loading event handlers based on
- * device bitfields.
- */
-static int input_add_uevent_bm_var(char **envp, int num_envp, int *cur_index,
- char *buffer, int buffer_size, int *cur_len,
- const char *name, unsigned long *bitmap, int max)
-{
- if (*cur_index >= num_envp - 1)
- return -ENOMEM;
-
- envp[*cur_index] = buffer + *cur_len;
-
- *cur_len += snprintf(buffer + *cur_len, max(buffer_size - *cur_len, 0), name);
- if (*cur_len >= buffer_size)
- return -ENOMEM;
-
- *cur_len += input_print_bitmap(buffer + *cur_len,
- max(buffer_size - *cur_len, 0),
- bitmap, max, 0) + 1;
- if (*cur_len > buffer_size)
- return -ENOMEM;
-
- (*cur_index)++;
- return 0;
-}
-
-static int input_add_uevent_modalias_var(char **envp, int num_envp, int *cur_index,
- char *buffer, int buffer_size, int *cur_len,
- struct input_dev *dev)
-{
- if (*cur_index >= num_envp - 1)
- return -ENOMEM;
-
- envp[*cur_index] = buffer + *cur_len;
-
- *cur_len += snprintf(buffer + *cur_len, max(buffer_size - *cur_len, 0),
- "MODALIAS=");
- if (*cur_len >= buffer_size)
- return -ENOMEM;
-
- *cur_len += input_print_modalias(buffer + *cur_len,
- max(buffer_size - *cur_len, 0),
- dev, 0) + 1;
- if (*cur_len > buffer_size)
- return -ENOMEM;
-
- (*cur_index)++;
- return 0;
-}
-
-#define INPUT_ADD_HOTPLUG_VAR(fmt, val...) \
- do { \
- int err = add_uevent_var(envp, num_envp, &i, \
- buffer, buffer_size, &len, \
- fmt, val); \
- if (err) \
- return err; \
- } while (0)
-
-#define INPUT_ADD_HOTPLUG_BM_VAR(name, bm, max) \
- do { \
- int err = input_add_uevent_bm_var(envp, num_envp, &i, \
- buffer, buffer_size, &len, \
- name, bm, max); \
- if (err) \
- return err; \
- } while (0)
-
-#define INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev) \
- do { \
- int err = input_add_uevent_modalias_var(envp, \
- num_envp, &i, \
- buffer, buffer_size, &len, \
- dev); \
- if (err) \
- return err; \
- } while (0)
-
-static int input_dev_uevent(struct class_device *cdev, char **envp,
- int num_envp, char *buffer, int buffer_size)
-{
- struct input_dev *dev = to_input_dev(cdev);
- int i = 0;
- int len = 0;
-
- INPUT_ADD_HOTPLUG_VAR("PRODUCT=%x/%x/%x/%x",
- dev->id.bustype, dev->id.vendor,
- dev->id.product, dev->id.version);
- if (dev->name)
- INPUT_ADD_HOTPLUG_VAR("NAME=\"%s\"", dev->name);
- if (dev->phys)
- INPUT_ADD_HOTPLUG_VAR("PHYS=\"%s\"", dev->phys);
- if (dev->uniq)
- INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq);
-
- INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX);
- if (test_bit(EV_KEY, dev->evbit))
- INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX);
- if (test_bit(EV_REL, dev->evbit))
- INPUT_ADD_HOTPLUG_BM_VAR("REL=", dev->relbit, REL_MAX);
- if (test_bit(EV_ABS, dev->evbit))
- INPUT_ADD_HOTPLUG_BM_VAR("ABS=", dev->absbit, ABS_MAX);
- if (test_bit(EV_MSC, dev->evbit))
- INPUT_ADD_HOTPLUG_BM_VAR("MSC=", dev->mscbit, MSC_MAX);
- if (test_bit(EV_LED, dev->evbit))
- INPUT_ADD_HOTPLUG_BM_VAR("LED=", dev->ledbit, LED_MAX);
- if (test_bit(EV_SND, dev->evbit))
- INPUT_ADD_HOTPLUG_BM_VAR("SND=", dev->sndbit, SND_MAX);
- if (test_bit(EV_FF, dev->evbit))
- INPUT_ADD_HOTPLUG_BM_VAR("FF=", dev->ffbit, FF_MAX);
- if (test_bit(EV_SW, dev->evbit))
- INPUT_ADD_HOTPLUG_BM_VAR("SW=", dev->swbit, SW_MAX);
-
- INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev);
-
- envp[i] = NULL;
- return 0;
-}
-
-struct class input_class = {
- .name = "input",
- .release = input_dev_release,
- .uevent = input_dev_uevent,
-};
-
-struct input_dev *input_allocate_device(void)
-{
- struct input_dev *dev;
-
- dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL);
- if (dev) {
- dev->dynalloc = 1;
- dev->cdev.class = &input_class;
- class_device_initialize(&dev->cdev);
- INIT_LIST_HEAD(&dev->h_list);
- INIT_LIST_HEAD(&dev->node);
- }
-
- return dev;
-}
-
-int input_register_device(struct input_dev *dev)
-{
- static atomic_t input_no = ATOMIC_INIT(0);
- struct input_handle *handle;
- struct input_handler *handler;
- struct input_device_id *id;
- const char *path;
- int error;
-
- if (!dev->dynalloc) {
- printk(KERN_WARNING "input: device %s is statically allocated, will not register\n"
- "Please convert to input_allocate_device() or contact dtor_core@ameritech.net\n",
- dev->name ? dev->name : "<Unknown>");
- return -EINVAL;
- }
-
- mutex_init(&dev->mutex);
- set_bit(EV_SYN, dev->evbit);
-
- /*
- * If delay and period are pre-set by the driver, then autorepeating
- * is handled by the driver itself and we don't do it in input.c.
- */
-
- init_timer(&dev->timer);
- if (!dev->rep[REP_DELAY] && !dev->rep[REP_PERIOD]) {
- dev->timer.data = (long) dev;
- dev->timer.function = input_repeat_key;
- dev->rep[REP_DELAY] = 250;
- dev->rep[REP_PERIOD] = 33;
- }
-
- INIT_LIST_HEAD(&dev->h_list);
- list_add_tail(&dev->node, &input_dev_list);
-
- dev->cdev.class = &input_class;
- snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
- "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
-
- error = class_device_add(&dev->cdev);
- if (error)
- return error;
-
- error = sysfs_create_group(&dev->cdev.kobj, &input_dev_attr_group);
- if (error)
- goto fail1;
-
- error = sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
- if (error)
- goto fail2;
-
- error = sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
- if (error)
- goto fail3;
-
- __module_get(THIS_MODULE);
-
- path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
- printk(KERN_INFO "input: %s as %s\n",
- dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
- kfree(path);
-
- list_for_each_entry(handler, &input_handler_list, node)
- if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
- if ((id = input_match_device(handler->id_table, dev)))
- if ((handle = handler->connect(handler, dev, id)))
- input_link_handle(handle);
-
- input_wakeup_procfs_readers();
-
- return 0;
-
- fail3: sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
- fail2: sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
- fail1: class_device_del(&dev->cdev);
- return error;
-}
-
-void input_unregister_device(struct input_dev *dev)
-{
- struct list_head * node, * next;
-
- if (!dev) return;
-
- del_timer_sync(&dev->timer);
-
- list_for_each_safe(node, next, &dev->h_list) {
- struct input_handle * handle = to_handle(node);
- list_del_init(&handle->d_node);
- list_del_init(&handle->h_node);
- handle->handler->disconnect(handle);
- }
-
- list_del_init(&dev->node);
-
- sysfs_remove_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
- sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
- sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
- class_device_unregister(&dev->cdev);
-
- input_wakeup_procfs_readers();
-}
-
-void input_register_handler(struct input_handler *handler)
-{
- struct input_dev *dev;
- struct input_handle *handle;
- struct input_device_id *id;
-
- if (!handler) return;
-
- INIT_LIST_HEAD(&handler->h_list);
-
- if (handler->fops != NULL)
- input_table[handler->minor >> 5] = handler;
-
- list_add_tail(&handler->node, &input_handler_list);
-
- list_for_each_entry(dev, &input_dev_list, node)
- if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
- if ((id = input_match_device(handler->id_table, dev)))
- if ((handle = handler->connect(handler, dev, id)))
- input_link_handle(handle);
-
- input_wakeup_procfs_readers();
-}
-
-void input_unregister_handler(struct input_handler *handler)
-{
- struct list_head * node, * next;
-
- list_for_each_safe(node, next, &handler->h_list) {
- struct input_handle * handle = to_handle_h(node);
- list_del_init(&handle->h_node);
- list_del_init(&handle->d_node);
- handler->disconnect(handle);
- }
-
- list_del_init(&handler->node);
-
- if (handler->fops != NULL)
- input_table[handler->minor >> 5] = NULL;
-
- input_wakeup_procfs_readers();
-}
-
-static int input_open_file(struct inode *inode, struct file *file)
-{
- struct input_handler *handler = input_table[iminor(inode) >> 5];
- const struct file_operations *old_fops, *new_fops = NULL;
- int err;
-
- /* No load-on-demand here? */
- if (!handler || !(new_fops = fops_get(handler->fops)))
- return -ENODEV;
-
- /*
- * That's _really_ odd. Usually NULL ->open means "nothing special",
- * not "no device". Oh, well...
- */
- if (!new_fops->open) {
- fops_put(new_fops);
- return -ENODEV;
- }
- old_fops = file->f_op;
- file->f_op = new_fops;
-
- err = new_fops->open(inode, file);
-
- if (err) {
- fops_put(file->f_op);
- file->f_op = fops_get(old_fops);
- }
- fops_put(old_fops);
- return err;
-}
-
-static struct file_operations input_fops = {
- .owner = THIS_MODULE,
- .open = input_open_file,
-};
-
-static int __init input_init(void)
-{
- int err;
-
- err = class_register(&input_class);
- if (err) {
- printk(KERN_ERR "input: unable to register input_dev class\n");
- return err;
- }
-
- err = input_proc_init();
- if (err)
- goto fail1;
-
- err = register_chrdev(INPUT_MAJOR, "input", &input_fops);
- if (err) {
- printk(KERN_ERR "input: unable to register char major %d", INPUT_MAJOR);
- goto fail2;
- }
-
- return 0;
-
- fail2: input_proc_exit();
- fail1: class_unregister(&input_class);
- return err;
-}
-
-static void __exit input_exit(void)
-{
- input_proc_exit();
- unregister_chrdev(INPUT_MAJOR, "input");
- class_unregister(&input_class);
-}
-
-subsys_initcall(input_init);
-module_exit(input_exit);
Index: linux-2.6.17-rc4-git12/drivers/input/input-core.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.17-rc4-git12/drivers/input/input-core.c 2006-05-24 16:32:31.000000000 +0300
@@ -0,0 +1,1099 @@
+/*
+ * The input core
+ *
+ * Copyright (c) 1999-2002 Vojtech Pavlik
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/smp_lock.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/random.h>
+#include <linux/major.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/interrupt.h>
+#include <linux/poll.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
+MODULE_DESCRIPTION("Input core");
+MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(input_allocate_device);
+EXPORT_SYMBOL(input_register_device);
+EXPORT_SYMBOL(input_unregister_device);
+EXPORT_SYMBOL(input_register_handler);
+EXPORT_SYMBOL(input_unregister_handler);
+EXPORT_SYMBOL(input_grab_device);
+EXPORT_SYMBOL(input_release_device);
+EXPORT_SYMBOL(input_open_device);
+EXPORT_SYMBOL(input_close_device);
+EXPORT_SYMBOL(input_accept_process);
+EXPORT_SYMBOL(input_flush_device);
+EXPORT_SYMBOL(input_event);
+EXPORT_SYMBOL_GPL(input_class);
+
+#define INPUT_DEVICES 256
+
+static LIST_HEAD(input_dev_list);
+static LIST_HEAD(input_handler_list);
+
+static struct input_handler *input_table[8];
+
+void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+{
+ struct input_handle *handle;
+
+ if (type > EV_MAX || !test_bit(type, dev->evbit))
+ return;
+
+ add_input_randomness(type, code, value);
+
+ switch (type) {
+
+ case EV_SYN:
+ switch (code) {
+ case SYN_CONFIG:
+ if (dev->event) dev->event(dev, type, code, value);
+ break;
+
+ case SYN_REPORT:
+ if (dev->sync) return;
+ dev->sync = 1;
+ break;
+ }
+ break;
+
+ case EV_KEY:
+
+ if (code > KEY_MAX || !test_bit(code, dev->keybit) || !!test_bit(code, dev->key) == value)
+ return;
+
+ if (value == 2)
+ break;
+
+ change_bit(code, dev->key);
+
+ if (test_bit(EV_REP, dev->evbit) && dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] && dev->timer.data && value) {
+ dev->repeat_key = code;
+ mod_timer(&dev->timer, jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]));
+ }
+
+ break;
+
+ case EV_SW:
+
+ if (code > SW_MAX || !test_bit(code, dev->swbit) || !!test_bit(code, dev->sw) == value)
+ return;
+
+ change_bit(code, dev->sw);
+
+ break;
+
+ case EV_ABS:
+
+ if (code > ABS_MAX || !test_bit(code, dev->absbit))
+ return;
+
+ if (dev->absfuzz[code]) {
+ if ((value > dev->abs[code] - (dev->absfuzz[code] >> 1)) &&
+ (value < dev->abs[code] + (dev->absfuzz[code] >> 1)))
+ return;
+
+ if ((value > dev->abs[code] - dev->absfuzz[code]) &&
+ (value < dev->abs[code] + dev->absfuzz[code]))
+ value = (dev->abs[code] * 3 + value) >> 2;
+
+ if ((value > dev->abs[code] - (dev->absfuzz[code] << 1)) &&
+ (value < dev->abs[code] + (dev->absfuzz[code] << 1)))
+ value = (dev->abs[code] + value) >> 1;
+ }
+
+ if (dev->abs[code] == value)
+ return;
+
+ dev->abs[code] = value;
+ break;
+
+ case EV_REL:
+
+ if (code > REL_MAX || !test_bit(code, dev->relbit) || (value == 0))
+ return;
+
+ break;
+
+ case EV_MSC:
+
+ if (code > MSC_MAX || !test_bit(code, dev->mscbit))
+ return;
+
+ if (dev->event) dev->event(dev, type, code, value);
+
+ break;
+
+ case EV_LED:
+
+ if (code > LED_MAX || !test_bit(code, dev->ledbit) || !!test_bit(code, dev->led) == value)
+ return;
+
+ change_bit(code, dev->led);
+ if (dev->event) dev->event(dev, type, code, value);
+
+ break;
+
+ case EV_SND:
+
+ if (code > SND_MAX || !test_bit(code, dev->sndbit))
+ return;
+
+ if (!!test_bit(code, dev->snd) != !!value)
+ change_bit(code, dev->snd);
+
+ if (dev->event) dev->event(dev, type, code, value);
+
+ break;
+
+ case EV_REP:
+
+ if (code > REP_MAX || value < 0 || dev->rep[code] == value) return;
+
+ dev->rep[code] = value;
+ if (dev->event) dev->event(dev, type, code, value);
+
+ break;
+
+ case EV_FF:
+ if (dev->event) dev->event(dev, type, code, value);
+ break;
+ }
+
+ if (type != EV_SYN)
+ dev->sync = 0;
+
+ if (dev->grab)
+ dev->grab->handler->event(dev->grab, type, code, value);
+ else
+ list_for_each_entry(handle, &dev->h_list, d_node)
+ if (handle->open)
+ handle->handler->event(handle, type, code, value);
+}
+
+static void input_repeat_key(unsigned long data)
+{
+ struct input_dev *dev = (void *) data;
+
+ if (!test_bit(dev->repeat_key, dev->key))
+ return;
+
+ input_event(dev, EV_KEY, dev->repeat_key, 2);
+ input_sync(dev);
+
+ if (dev->rep[REP_PERIOD])
+ mod_timer(&dev->timer, jiffies + msecs_to_jiffies(dev->rep[REP_PERIOD]));
+}
+
+int input_accept_process(struct input_handle *handle, struct file *file)
+{
+ if (handle->dev->accept)
+ return handle->dev->accept(handle->dev, file);
+
+ return 0;
+}
+
+int input_grab_device(struct input_handle *handle)
+{
+ if (handle->dev->grab)
+ return -EBUSY;
+
+ handle->dev->grab = handle;
+ return 0;
+}
+
+void input_release_device(struct input_handle *handle)
+{
+ if (handle->dev->grab == handle)
+ handle->dev->grab = NULL;
+}
+
+int input_open_device(struct input_handle *handle)
+{
+ struct input_dev *dev = handle->dev;
+ int err;
+
+ err = mutex_lock_interruptible(&dev->mutex);
+ if (err)
+ return err;
+
+ handle->open++;
+
+ if (!dev->users++ && dev->open)
+ err = dev->open(dev);
+
+ if (err)
+ handle->open--;
+
+ mutex_unlock(&dev->mutex);
+
+ return err;
+}
+
+int input_flush_device(struct input_handle* handle, struct file* file)
+{
+ if (handle->dev->flush)
+ return handle->dev->flush(handle->dev, file);
+
+ return 0;
+}
+
+void input_close_device(struct input_handle *handle)
+{
+ struct input_dev *dev = handle->dev;
+
+ input_release_device(handle);
+
+ mutex_lock(&dev->mutex);
+
+ if (!--dev->users && dev->close)
+ dev->close(dev);
+ handle->open--;
+
+ mutex_unlock(&dev->mutex);
+}
+
+static void input_link_handle(struct input_handle *handle)
+{
+ list_add_tail(&handle->d_node, &handle->dev->h_list);
+ list_add_tail(&handle->h_node, &handle->handler->h_list);
+}
+
+#define MATCH_BIT(bit, max) \
+ for (i = 0; i < NBITS(max); i++) \
+ if ((id->bit[i] & dev->bit[i]) != id->bit[i]) \
+ break; \
+ if (i != NBITS(max)) \
+ continue;
+
+static struct input_device_id *input_match_device(struct input_device_id *id, struct input_dev *dev)
+{
+ int i;
+
+ for (; id->flags || id->driver_info; id++) {
+
+ if (id->flags & INPUT_DEVICE_ID_MATCH_BUS)
+ if (id->bustype != dev->id.bustype)
+ continue;
+
+ if (id->flags & INPUT_DEVICE_ID_MATCH_VENDOR)
+ if (id->vendor != dev->id.vendor)
+ continue;
+
+ if (id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT)
+ if (id->product != dev->id.product)
+ continue;
+
+ if (id->flags & INPUT_DEVICE_ID_MATCH_VERSION)
+ if (id->version != dev->id.version)
+ continue;
+
+ MATCH_BIT(evbit, EV_MAX);
+ MATCH_BIT(keybit, KEY_MAX);
+ MATCH_BIT(relbit, REL_MAX);
+ MATCH_BIT(absbit, ABS_MAX);
+ MATCH_BIT(mscbit, MSC_MAX);
+ MATCH_BIT(ledbit, LED_MAX);
+ MATCH_BIT(sndbit, SND_MAX);
+ MATCH_BIT(ffbit, FF_MAX);
+ MATCH_BIT(swbit, SW_MAX);
+
+ return id;
+ }
+
+ return NULL;
+}
+
+#ifdef CONFIG_PROC_FS
+
+static struct proc_dir_entry *proc_bus_input_dir;
+static DECLARE_WAIT_QUEUE_HEAD(input_devices_poll_wait);
+static int input_devices_state;
+
+static inline void input_wakeup_procfs_readers(void)
+{
+ input_devices_state++;
+ wake_up(&input_devices_poll_wait);
+}
+
+static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait)
+{
+ int state = input_devices_state;
+ poll_wait(file, &input_devices_poll_wait, wait);
+ if (state != input_devices_state)
+ return POLLIN | POLLRDNORM;
+ return 0;
+}
+
+static struct list_head *list_get_nth_element(struct list_head *list, loff_t *pos)
+{
+ struct list_head *node;
+ loff_t i = 0;
+
+ list_for_each(node, list)
+ if (i++ == *pos)
+ return node;
+
+ return NULL;
+}
+
+static struct list_head *list_get_next_element(struct list_head *list, struct list_head *element, loff_t *pos)
+{
+ if (element->next == list)
+ return NULL;
+
+ ++(*pos);
+ return element->next;
+}
+
+static void *input_devices_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ /* acquire lock here ... Yes, we do need locking, I knowi, I know... */
+
+ return list_get_nth_element(&input_dev_list, pos);
+}
+
+static void *input_devices_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ return list_get_next_element(&input_dev_list, v, pos);
+}
+
+static void input_devices_seq_stop(struct seq_file *seq, void *v)
+{
+ /* release lock here */
+}
+
+static void input_seq_print_bitmap(struct seq_file *seq, const char *name,
+ unsigned long *bitmap, int max)
+{
+ int i;
+
+ for (i = NBITS(max) - 1; i > 0; i--)
+ if (bitmap[i])
+ break;
+
+ seq_printf(seq, "B: %s=", name);
+ for (; i >= 0; i--)
+ seq_printf(seq, "%lx%s", bitmap[i], i > 0 ? " " : "");
+ seq_putc(seq, '\n');
+}
+
+static int input_devices_seq_show(struct seq_file *seq, void *v)
+{
+ struct input_dev *dev = container_of(v, struct input_dev, node);
+ const char *path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
+ struct input_handle *handle;
+
+ seq_printf(seq, "I: Bus=%04x Vendor=%04x Product=%04x Version=%04x\n",
+ dev->id.bustype, dev->id.vendor, dev->id.product, dev->id.version);
+
+ seq_printf(seq, "N: Name=\"%s\"\n", dev->name ? dev->name : "");
+ seq_printf(seq, "P: Phys=%s\n", dev->phys ? dev->phys : "");
+ seq_printf(seq, "S: Sysfs=%s\n", path ? path : "");
+ seq_printf(seq, "H: Handlers=");
+
+ list_for_each_entry(handle, &dev->h_list, d_node)
+ seq_printf(seq, "%s ", handle->name);
+ seq_putc(seq, '\n');
+
+ input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX);
+ if (test_bit(EV_KEY, dev->evbit))
+ input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX);
+ if (test_bit(EV_REL, dev->evbit))
+ input_seq_print_bitmap(seq, "REL", dev->relbit, REL_MAX);
+ if (test_bit(EV_ABS, dev->evbit))
+ input_seq_print_bitmap(seq, "ABS", dev->absbit, ABS_MAX);
+ if (test_bit(EV_MSC, dev->evbit))
+ input_seq_print_bitmap(seq, "MSC", dev->mscbit, MSC_MAX);
+ if (test_bit(EV_LED, dev->evbit))
+ input_seq_print_bitmap(seq, "LED", dev->ledbit, LED_MAX);
+ if (test_bit(EV_SND, dev->evbit))
+ input_seq_print_bitmap(seq, "SND", dev->sndbit, SND_MAX);
+ if (test_bit(EV_FF, dev->evbit))
+ input_seq_print_bitmap(seq, "FF", dev->ffbit, FF_MAX);
+ if (test_bit(EV_SW, dev->evbit))
+ input_seq_print_bitmap(seq, "SW", dev->swbit, SW_MAX);
+
+ seq_putc(seq, '\n');
+
+ kfree(path);
+ return 0;
+}
+
+static struct seq_operations input_devices_seq_ops = {
+ .start = input_devices_seq_start,
+ .next = input_devices_seq_next,
+ .stop = input_devices_seq_stop,
+ .show = input_devices_seq_show,
+};
+
+static int input_proc_devices_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &input_devices_seq_ops);
+}
+
+static struct file_operations input_devices_fileops = {
+ .owner = THIS_MODULE,
+ .open = input_proc_devices_open,
+ .poll = input_proc_devices_poll,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static void *input_handlers_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ /* acquire lock here ... Yes, we do need locking, I knowi, I know... */
+ seq->private = (void *)(unsigned long)*pos;
+ return list_get_nth_element(&input_handler_list, pos);
+}
+
+static void *input_handlers_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ seq->private = (void *)(unsigned long)(*pos + 1);
+ return list_get_next_element(&input_handler_list, v, pos);
+}
+
+static void input_handlers_seq_stop(struct seq_file *seq, void *v)
+{
+ /* release lock here */
+}
+
+static int input_handlers_seq_show(struct seq_file *seq, void *v)
+{
+ struct input_handler *handler = container_of(v, struct input_handler, node);
+
+ seq_printf(seq, "N: Number=%ld Name=%s",
+ (unsigned long)seq->private, handler->name);
+ if (handler->fops)
+ seq_printf(seq, " Minor=%d", handler->minor);
+ seq_putc(seq, '\n');
+
+ return 0;
+}
+static struct seq_operations input_handlers_seq_ops = {
+ .start = input_handlers_seq_start,
+ .next = input_handlers_seq_next,
+ .stop = input_handlers_seq_stop,
+ .show = input_handlers_seq_show,
+};
+
+static int input_proc_handlers_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &input_handlers_seq_ops);
+}
+
+static struct file_operations input_handlers_fileops = {
+ .owner = THIS_MODULE,
+ .open = input_proc_handlers_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static int __init input_proc_init(void)
+{
+ struct proc_dir_entry *entry;
+
+ proc_bus_input_dir = proc_mkdir("input", proc_bus);
+ if (!proc_bus_input_dir)
+ return -ENOMEM;
+
+ proc_bus_input_dir->owner = THIS_MODULE;
+
+ entry = create_proc_entry("devices", 0, proc_bus_input_dir);
+ if (!entry)
+ goto fail1;
+
+ entry->owner = THIS_MODULE;
+ entry->proc_fops = &input_devices_fileops;
+
+ entry = create_proc_entry("handlers", 0, proc_bus_input_dir);
+ if (!entry)
+ goto fail2;
+
+ entry->owner = THIS_MODULE;
+ entry->proc_fops = &input_handlers_fileops;
+
+ return 0;
+
+ fail2: remove_proc_entry("devices", proc_bus_input_dir);
+ fail1: remove_proc_entry("input", proc_bus);
+ return -ENOMEM;
+}
+
+static void input_proc_exit(void)
+{
+ remove_proc_entry("devices", proc_bus_input_dir);
+ remove_proc_entry("handlers", proc_bus_input_dir);
+ remove_proc_entry("input", proc_bus);
+}
+
+#else /* !CONFIG_PROC_FS */
+static inline void input_wakeup_procfs_readers(void) { }
+static inline int input_proc_init(void) { return 0; }
+static inline void input_proc_exit(void) { }
+#endif
+
+#define INPUT_DEV_STRING_ATTR_SHOW(name) \
+static ssize_t input_dev_show_##name(struct class_device *dev, char *buf) \
+{ \
+ struct input_dev *input_dev = to_input_dev(dev); \
+ int retval; \
+ \
+ retval = mutex_lock_interruptible(&input_dev->mutex); \
+ if (retval) \
+ return retval; \
+ \
+ retval = scnprintf(buf, PAGE_SIZE, \
+ "%s\n", input_dev->name ? input_dev->name : ""); \
+ \
+ mutex_unlock(&input_dev->mutex); \
+ \
+ return retval; \
+} \
+static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL);
+
+INPUT_DEV_STRING_ATTR_SHOW(name);
+INPUT_DEV_STRING_ATTR_SHOW(phys);
+INPUT_DEV_STRING_ATTR_SHOW(uniq);
+
+static int input_print_modalias_bits(char *buf, int size,
+ char name, unsigned long *bm,
+ unsigned int min_bit, unsigned int max_bit)
+{
+ int len = 0, i;
+
+ len += snprintf(buf, max(size, 0), "%c", name);
+ for (i = min_bit; i < max_bit; i++)
+ if (bm[LONG(i)] & BIT(i))
+ len += snprintf(buf + len, max(size - len, 0), "%X,", i);
+ return len;
+}
+
+static int input_print_modalias(char *buf, int size, struct input_dev *id,
+ int add_cr)
+{
+ int len;
+
+ len = snprintf(buf, max(size, 0),
+ "input:b%04Xv%04Xp%04Xe%04X-",
+ id->id.bustype, id->id.vendor,
+ id->id.product, id->id.version);
+
+ len += input_print_modalias_bits(buf + len, size - len,
+ 'e', id->evbit, 0, EV_MAX);
+ len += input_print_modalias_bits(buf + len, size - len,
+ 'k', id->keybit, KEY_MIN_INTERESTING, KEY_MAX);
+ len += input_print_modalias_bits(buf + len, size - len,
+ 'r', id->relbit, 0, REL_MAX);
+ len += input_print_modalias_bits(buf + len, size - len,
+ 'a', id->absbit, 0, ABS_MAX);
+ len += input_print_modalias_bits(buf + len, size - len,
+ 'm', id->mscbit, 0, MSC_MAX);
+ len += input_print_modalias_bits(buf + len, size - len,
+ 'l', id->ledbit, 0, LED_MAX);
+ len += input_print_modalias_bits(buf + len, size - len,
+ 's', id->sndbit, 0, SND_MAX);
+ len += input_print_modalias_bits(buf + len, size - len,
+ 'f', id->ffbit, 0, FF_MAX);
+ len += input_print_modalias_bits(buf + len, size - len,
+ 'w', id->swbit, 0, SW_MAX);
+
+ if (add_cr)
+ len += snprintf(buf + len, max(size - len, 0), "\n");
+
+ return len;
+}
+
+static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf)
+{
+ struct input_dev *id = to_input_dev(dev);
+ ssize_t len;
+
+ len = input_print_modalias(buf, PAGE_SIZE, id, 1);
+
+ return max_t(int, len, PAGE_SIZE);
+}
+static CLASS_DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
+
+static struct attribute *input_dev_attrs[] = {
+ &class_device_attr_name.attr,
+ &class_device_attr_phys.attr,
+ &class_device_attr_uniq.attr,
+ &class_device_attr_modalias.attr,
+ NULL
+};
+
+static struct attribute_group input_dev_attr_group = {
+ .attrs = input_dev_attrs,
+};
+
+#define INPUT_DEV_ID_ATTR(name) \
+static ssize_t input_dev_show_id_##name(struct class_device *dev, char *buf) \
+{ \
+ struct input_dev *input_dev = to_input_dev(dev); \
+ return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
+} \
+static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL);
+
+INPUT_DEV_ID_ATTR(bustype);
+INPUT_DEV_ID_ATTR(vendor);
+INPUT_DEV_ID_ATTR(product);
+INPUT_DEV_ID_ATTR(version);
+
+static struct attribute *input_dev_id_attrs[] = {
+ &class_device_attr_bustype.attr,
+ &class_device_attr_vendor.attr,
+ &class_device_attr_product.attr,
+ &class_device_attr_version.attr,
+ NULL
+};
+
+static struct attribute_group input_dev_id_attr_group = {
+ .name = "id",
+ .attrs = input_dev_id_attrs,
+};
+
+static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
+ int max, int add_cr)
+{
+ int i;
+ int len = 0;
+
+ for (i = NBITS(max) - 1; i > 0; i--)
+ if (bitmap[i])
+ break;
+
+ for (; i >= 0; i--)
+ len += snprintf(buf + len, max(buf_size - len, 0),
+ "%lx%s", bitmap[i], i > 0 ? " " : "");
+
+ if (add_cr)
+ len += snprintf(buf + len, max(buf_size - len, 0), "\n");
+
+ return len;
+}
+
+#define INPUT_DEV_CAP_ATTR(ev, bm) \
+static ssize_t input_dev_show_cap_##bm(struct class_device *dev, char *buf) \
+{ \
+ struct input_dev *input_dev = to_input_dev(dev); \
+ int len = input_print_bitmap(buf, PAGE_SIZE, \
+ input_dev->bm##bit, ev##_MAX, 1); \
+ return min_t(int, len, PAGE_SIZE); \
+} \
+static CLASS_DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL);
+
+INPUT_DEV_CAP_ATTR(EV, ev);
+INPUT_DEV_CAP_ATTR(KEY, key);
+INPUT_DEV_CAP_ATTR(REL, rel);
+INPUT_DEV_CAP_ATTR(ABS, abs);
+INPUT_DEV_CAP_ATTR(MSC, msc);
+INPUT_DEV_CAP_ATTR(LED, led);
+INPUT_DEV_CAP_ATTR(SND, snd);
+INPUT_DEV_CAP_ATTR(FF, ff);
+INPUT_DEV_CAP_ATTR(SW, sw);
+
+static struct attribute *input_dev_caps_attrs[] = {
+ &class_device_attr_ev.attr,
+ &class_device_attr_key.attr,
+ &class_device_attr_rel.attr,
+ &class_device_attr_abs.attr,
+ &class_device_attr_msc.attr,
+ &class_device_attr_led.attr,
+ &class_device_attr_snd.attr,
+ &class_device_attr_ff.attr,
+ &class_device_attr_sw.attr,
+ NULL
+};
+
+static struct attribute_group input_dev_caps_attr_group = {
+ .name = "capabilities",
+ .attrs = input_dev_caps_attrs,
+};
+
+static void input_dev_release(struct class_device *class_dev)
+{
+ struct input_dev *dev = to_input_dev(class_dev);
+
+ kfree(dev);
+ module_put(THIS_MODULE);
+}
+
+/*
+ * Input uevent interface - loading event handlers based on
+ * device bitfields.
+ */
+static int input_add_uevent_bm_var(char **envp, int num_envp, int *cur_index,
+ char *buffer, int buffer_size, int *cur_len,
+ const char *name, unsigned long *bitmap, int max)
+{
+ if (*cur_index >= num_envp - 1)
+ return -ENOMEM;
+
+ envp[*cur_index] = buffer + *cur_len;
+
+ *cur_len += snprintf(buffer + *cur_len, max(buffer_size - *cur_len, 0), name);
+ if (*cur_len >= buffer_size)
+ return -ENOMEM;
+
+ *cur_len += input_print_bitmap(buffer + *cur_len,
+ max(buffer_size - *cur_len, 0),
+ bitmap, max, 0) + 1;
+ if (*cur_len > buffer_size)
+ return -ENOMEM;
+
+ (*cur_index)++;
+ return 0;
+}
+
+static int input_add_uevent_modalias_var(char **envp, int num_envp, int *cur_index,
+ char *buffer, int buffer_size, int *cur_len,
+ struct input_dev *dev)
+{
+ if (*cur_index >= num_envp - 1)
+ return -ENOMEM;
+
+ envp[*cur_index] = buffer + *cur_len;
+
+ *cur_len += snprintf(buffer + *cur_len, max(buffer_size - *cur_len, 0),
+ "MODALIAS=");
+ if (*cur_len >= buffer_size)
+ return -ENOMEM;
+
+ *cur_len += input_print_modalias(buffer + *cur_len,
+ max(buffer_size - *cur_len, 0),
+ dev, 0) + 1;
+ if (*cur_len > buffer_size)
+ return -ENOMEM;
+
+ (*cur_index)++;
+ return 0;
+}
+
+#define INPUT_ADD_HOTPLUG_VAR(fmt, val...) \
+ do { \
+ int err = add_uevent_var(envp, num_envp, &i, \
+ buffer, buffer_size, &len, \
+ fmt, val); \
+ if (err) \
+ return err; \
+ } while (0)
+
+#define INPUT_ADD_HOTPLUG_BM_VAR(name, bm, max) \
+ do { \
+ int err = input_add_uevent_bm_var(envp, num_envp, &i, \
+ buffer, buffer_size, &len, \
+ name, bm, max); \
+ if (err) \
+ return err; \
+ } while (0)
+
+#define INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev) \
+ do { \
+ int err = input_add_uevent_modalias_var(envp, \
+ num_envp, &i, \
+ buffer, buffer_size, &len, \
+ dev); \
+ if (err) \
+ return err; \
+ } while (0)
+
+static int input_dev_uevent(struct class_device *cdev, char **envp,
+ int num_envp, char *buffer, int buffer_size)
+{
+ struct input_dev *dev = to_input_dev(cdev);
+ int i = 0;
+ int len = 0;
+
+ INPUT_ADD_HOTPLUG_VAR("PRODUCT=%x/%x/%x/%x",
+ dev->id.bustype, dev->id.vendor,
+ dev->id.product, dev->id.version);
+ if (dev->name)
+ INPUT_ADD_HOTPLUG_VAR("NAME=\"%s\"", dev->name);
+ if (dev->phys)
+ INPUT_ADD_HOTPLUG_VAR("PHYS=\"%s\"", dev->phys);
+ if (dev->uniq)
+ INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq);
+
+ INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX);
+ if (test_bit(EV_KEY, dev->evbit))
+ INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX);
+ if (test_bit(EV_REL, dev->evbit))
+ INPUT_ADD_HOTPLUG_BM_VAR("REL=", dev->relbit, REL_MAX);
+ if (test_bit(EV_ABS, dev->evbit))
+ INPUT_ADD_HOTPLUG_BM_VAR("ABS=", dev->absbit, ABS_MAX);
+ if (test_bit(EV_MSC, dev->evbit))
+ INPUT_ADD_HOTPLUG_BM_VAR("MSC=", dev->mscbit, MSC_MAX);
+ if (test_bit(EV_LED, dev->evbit))
+ INPUT_ADD_HOTPLUG_BM_VAR("LED=", dev->ledbit, LED_MAX);
+ if (test_bit(EV_SND, dev->evbit))
+ INPUT_ADD_HOTPLUG_BM_VAR("SND=", dev->sndbit, SND_MAX);
+ if (test_bit(EV_FF, dev->evbit))
+ INPUT_ADD_HOTPLUG_BM_VAR("FF=", dev->ffbit, FF_MAX);
+ if (test_bit(EV_SW, dev->evbit))
+ INPUT_ADD_HOTPLUG_BM_VAR("SW=", dev->swbit, SW_MAX);
+
+ INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev);
+
+ envp[i] = NULL;
+ return 0;
+}
+
+struct class input_class = {
+ .name = "input",
+ .release = input_dev_release,
+ .uevent = input_dev_uevent,
+};
+
+struct input_dev *input_allocate_device(void)
+{
+ struct input_dev *dev;
+
+ dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL);
+ if (dev) {
+ dev->dynalloc = 1;
+ dev->cdev.class = &input_class;
+ class_device_initialize(&dev->cdev);
+ INIT_LIST_HEAD(&dev->h_list);
+ INIT_LIST_HEAD(&dev->node);
+ }
+
+ return dev;
+}
+
+int input_register_device(struct input_dev *dev)
+{
+ static atomic_t input_no = ATOMIC_INIT(0);
+ struct input_handle *handle;
+ struct input_handler *handler;
+ struct input_device_id *id;
+ const char *path;
+ int error;
+
+ if (!dev->dynalloc) {
+ printk(KERN_WARNING "input: device %s is statically allocated, will not register\n"
+ "Please convert to input_allocate_device() or contact dtor_core@ameritech.net\n",
+ dev->name ? dev->name : "<Unknown>");
+ return -EINVAL;
+ }
+
+ mutex_init(&dev->mutex);
+ set_bit(EV_SYN, dev->evbit);
+
+ /*
+ * If delay and period are pre-set by the driver, then autorepeating
+ * is handled by the driver itself and we don't do it in input.c.
+ */
+
+ init_timer(&dev->timer);
+ if (!dev->rep[REP_DELAY] && !dev->rep[REP_PERIOD]) {
+ dev->timer.data = (long) dev;
+ dev->timer.function = input_repeat_key;
+ dev->rep[REP_DELAY] = 250;
+ dev->rep[REP_PERIOD] = 33;
+ }
+
+ INIT_LIST_HEAD(&dev->h_list);
+ list_add_tail(&dev->node, &input_dev_list);
+
+ dev->cdev.class = &input_class;
+ snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
+ "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
+
+ error = class_device_add(&dev->cdev);
+ if (error)
+ return error;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_attr_group);
+ if (error)
+ goto fail1;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ if (error)
+ goto fail2;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
+ if (error)
+ goto fail3;
+
+ __module_get(THIS_MODULE);
+
+ path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
+ printk(KERN_INFO "input: %s as %s\n",
+ dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
+ kfree(path);
+
+ list_for_each_entry(handler, &input_handler_list, node)
+ if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
+ if ((id = input_match_device(handler->id_table, dev)))
+ if ((handle = handler->connect(handler, dev, id)))
+ input_link_handle(handle);
+
+ input_wakeup_procfs_readers();
+
+ return 0;
+
+ fail3: sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ fail2: sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
+ fail1: class_device_del(&dev->cdev);
+ return error;
+}
+
+void input_unregister_device(struct input_dev *dev)
+{
+ struct list_head * node, * next;
+
+ if (!dev) return;
+
+ del_timer_sync(&dev->timer);
+
+ list_for_each_safe(node, next, &dev->h_list) {
+ struct input_handle * handle = to_handle(node);
+ list_del_init(&handle->d_node);
+ list_del_init(&handle->h_node);
+ handle->handler->disconnect(handle);
+ }
+
+ list_del_init(&dev->node);
+
+ sysfs_remove_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
+ sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
+ class_device_unregister(&dev->cdev);
+
+ input_wakeup_procfs_readers();
+}
+
+void input_register_handler(struct input_handler *handler)
+{
+ struct input_dev *dev;
+ struct input_handle *handle;
+ struct input_device_id *id;
+
+ if (!handler) return;
+
+ INIT_LIST_HEAD(&handler->h_list);
+
+ if (handler->fops != NULL)
+ input_table[handler->minor >> 5] = handler;
+
+ list_add_tail(&handler->node, &input_handler_list);
+
+ list_for_each_entry(dev, &input_dev_list, node)
+ if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
+ if ((id = input_match_device(handler->id_table, dev)))
+ if ((handle = handler->connect(handler, dev, id)))
+ input_link_handle(handle);
+
+ input_wakeup_procfs_readers();
+}
+
+void input_unregister_handler(struct input_handler *handler)
+{
+ struct list_head * node, * next;
+
+ list_for_each_safe(node, next, &handler->h_list) {
+ struct input_handle * handle = to_handle_h(node);
+ list_del_init(&handle->h_node);
+ list_del_init(&handle->d_node);
+ handler->disconnect(handle);
+ }
+
+ list_del_init(&handler->node);
+
+ if (handler->fops != NULL)
+ input_table[handler->minor >> 5] = NULL;
+
+ input_wakeup_procfs_readers();
+}
+
+static int input_open_file(struct inode *inode, struct file *file)
+{
+ struct input_handler *handler = input_table[iminor(inode) >> 5];
+ const struct file_operations *old_fops, *new_fops = NULL;
+ int err;
+
+ /* No load-on-demand here? */
+ if (!handler || !(new_fops = fops_get(handler->fops)))
+ return -ENODEV;
+
+ /*
+ * That's _really_ odd. Usually NULL ->open means "nothing special",
+ * not "no device". Oh, well...
+ */
+ if (!new_fops->open) {
+ fops_put(new_fops);
+ return -ENODEV;
+ }
+ old_fops = file->f_op;
+ file->f_op = new_fops;
+
+ err = new_fops->open(inode, file);
+
+ if (err) {
+ fops_put(file->f_op);
+ file->f_op = fops_get(old_fops);
+ }
+ fops_put(old_fops);
+ return err;
+}
+
+static struct file_operations input_fops = {
+ .owner = THIS_MODULE,
+ .open = input_open_file,
+};
+
+static int __init input_init(void)
+{
+ int err;
+
+ err = class_register(&input_class);
+ if (err) {
+ printk(KERN_ERR "input: unable to register input_dev class\n");
+ return err;
+ }
+
+ err = input_proc_init();
+ if (err)
+ goto fail1;
+
+ err = register_chrdev(INPUT_MAJOR, "input", &input_fops);
+ if (err) {
+ printk(KERN_ERR "input: unable to register char major %d", INPUT_MAJOR);
+ goto fail2;
+ }
+
+ return 0;
+
+ fail2: input_proc_exit();
+ fail1: class_unregister(&input_class);
+ return err;
+}
+
+static void __exit input_exit(void)
+{
+ input_proc_exit();
+ unregister_chrdev(INPUT_MAJOR, "input");
+ class_unregister(&input_class);
+}
+
+subsys_initcall(input_init);
+module_exit(input_exit);
Index: linux-2.6.17-rc4-git12/drivers/input/Makefile
===================================================================
--- linux-2.6.17-rc4-git12.orig/drivers/input/Makefile 2006-05-24 16:30:58.000000000 +0300
+++ linux-2.6.17-rc4-git12/drivers/input/Makefile 2006-05-24 16:38:54.000000000 +0300
@@ -4,6 +4,8 @@

# Each configuration option enables a list of files.

+input-objs := input-core.o
+
obj-$(CONFIG_INPUT) += input.o
obj-$(CONFIG_INPUT_MOUSEDEV) += mousedev.o
obj-$(CONFIG_INPUT_JOYDEV) += joydev.o