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-rw-r--r--package/system/button-hotplug/src/button-hotplug.c349
1 files changed, 0 insertions, 349 deletions
diff --git a/package/system/button-hotplug/src/button-hotplug.c b/package/system/button-hotplug/src/button-hotplug.c
deleted file mode 100644
index 4a8c4a88ed..0000000000
--- a/package/system/button-hotplug/src/button-hotplug.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/*
- * Button Hotplug driver
- *
- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
- *
- * Based on the diag.c - GPIO interface driver for Broadcom boards
- * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
- * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2008 Andy Boyett <agb@openwrt.org>
- *
- * 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/module.h>
-#include <linux/version.h>
-#include <linux/kmod.h>
-#include <linux/input.h>
-
-#include <linux/workqueue.h>
-#include <linux/skbuff.h>
-#include <linux/netlink.h>
-#include <linux/kobject.h>
-
-#define DRV_NAME "button-hotplug"
-#define DRV_VERSION "0.4.1"
-#define DRV_DESC "Button Hotplug driver"
-
-#define BH_SKB_SIZE 2048
-
-#define PFX DRV_NAME ": "
-
-#undef BH_DEBUG
-
-#ifdef BH_DEBUG
-#define BH_DBG(fmt, args...) printk(KERN_DEBUG "%s: " fmt, DRV_NAME, ##args )
-#else
-#define BH_DBG(fmt, args...) do {} while (0)
-#endif
-
-#define BH_ERR(fmt, args...) printk(KERN_ERR "%s: " fmt, DRV_NAME, ##args )
-
-#ifndef BIT_MASK
-#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
-#endif
-
-struct bh_priv {
- unsigned long *seen;
- struct input_handle handle;
-};
-
-struct bh_event {
- const char *name;
- char *action;
- unsigned long seen;
-
- struct sk_buff *skb;
- struct work_struct work;
-};
-
-struct bh_map {
- unsigned int code;
- const char *name;
-};
-
-extern u64 uevent_next_seqnum(void);
-
-#define BH_MAP(_code, _name) \
- { \
- .code = (_code), \
- .name = (_name), \
- }
-
-static struct bh_map button_map[] = {
- BH_MAP(BTN_0, "BTN_0"),
- BH_MAP(BTN_1, "BTN_1"),
- BH_MAP(BTN_2, "BTN_2"),
- BH_MAP(BTN_3, "BTN_3"),
- BH_MAP(BTN_4, "BTN_4"),
- BH_MAP(BTN_5, "BTN_5"),
- BH_MAP(BTN_6, "BTN_6"),
- BH_MAP(BTN_7, "BTN_7"),
- BH_MAP(BTN_8, "BTN_8"),
- BH_MAP(BTN_9, "BTN_9"),
- BH_MAP(KEY_RESTART, "reset"),
-#ifdef KEY_WPS_BUTTON
- BH_MAP(KEY_WPS_BUTTON, "wps"),
-#endif /* KEY_WPS_BUTTON */
-};
-
-/* -------------------------------------------------------------------------*/
-
-static int bh_event_add_var(struct bh_event *event, int argv,
- const char *format, ...)
-{
- static char buf[128];
- char *s;
- va_list args;
- int len;
-
- if (argv)
- return 0;
-
- va_start(args, format);
- len = vsnprintf(buf, sizeof(buf), format, args);
- va_end(args);
-
- if (len >= sizeof(buf)) {
- BH_ERR("buffer size too small\n");
- WARN_ON(1);
- return -ENOMEM;
- }
-
- s = skb_put(event->skb, len + 1);
- strcpy(s, buf);
-
- BH_DBG("added variable '%s'\n", s);
-
- return 0;
-}
-
-static int button_hotplug_fill_event(struct bh_event *event)
-{
- int ret;
-
- ret = bh_event_add_var(event, 0, "HOME=%s", "/");
- if (ret)
- return ret;
-
- ret = bh_event_add_var(event, 0, "PATH=%s",
- "/sbin:/bin:/usr/sbin:/usr/bin");
- if (ret)
- return ret;
-
- ret = bh_event_add_var(event, 0, "SUBSYSTEM=%s", "button");
- if (ret)
- return ret;
-
- ret = bh_event_add_var(event, 0, "ACTION=%s", event->action);
- if (ret)
- return ret;
-
- ret = bh_event_add_var(event, 0, "BUTTON=%s", event->name);
- if (ret)
- return ret;
-
- ret = bh_event_add_var(event, 0, "SEEN=%ld", event->seen);
- if (ret)
- return ret;
-
- ret = bh_event_add_var(event, 0, "SEQNUM=%llu", uevent_next_seqnum());
-
- return ret;
-}
-
-static void button_hotplug_work(struct work_struct *work)
-{
- struct bh_event *event = container_of(work, struct bh_event, work);
- int ret = 0;
-
- event->skb = alloc_skb(BH_SKB_SIZE, GFP_KERNEL);
- if (!event->skb)
- goto out_free_event;
-
- ret = bh_event_add_var(event, 0, "%s@", event->action);
- if (ret)
- goto out_free_skb;
-
- ret = button_hotplug_fill_event(event);
- if (ret)
- goto out_free_skb;
-
- NETLINK_CB(event->skb).dst_group = 1;
- broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
-
- out_free_skb:
- if (ret) {
- BH_ERR("work error %d\n", ret);
- kfree_skb(event->skb);
- }
- out_free_event:
- kfree(event);
-}
-
-static int button_hotplug_create_event(const char *name, unsigned long seen,
- int pressed)
-{
- struct bh_event *event;
-
- BH_DBG("create event, name=%s, seen=%lu, pressed=%d\n",
- name, seen, pressed);
-
- event = kzalloc(sizeof(*event), GFP_KERNEL);
- if (!event)
- return -ENOMEM;
-
- event->name = name;
- event->seen = seen;
- event->action = pressed ? "pressed" : "released";
-
- INIT_WORK(&event->work, (void *)(void *)button_hotplug_work);
- schedule_work(&event->work);
-
- return 0;
-}
-
-/* -------------------------------------------------------------------------*/
-
-#ifdef CONFIG_HOTPLUG
-static int button_get_index(unsigned int code)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(button_map); i++)
- if (button_map[i].code == code)
- return i;
-
- return -1;
-}
-static void button_hotplug_event(struct input_handle *handle,
- unsigned int type, unsigned int code, int value)
-{
- struct bh_priv *priv = handle->private;
- unsigned long seen = jiffies;
- int btn;
-
- BH_DBG("event type=%u, code=%u, value=%d\n", type, code, value);
-
- if (type != EV_KEY)
- return;
-
- btn = button_get_index(code);
- if (btn < 0)
- return;
-
- button_hotplug_create_event(button_map[btn].name,
- (seen - priv->seen[btn]) / HZ, value);
- priv->seen[btn] = seen;
-}
-#else
-static void button_hotplug_event(struct input_handle *handle,
- unsigned int type, unsigned int code, int value)
-{
-}
-#endif /* CONFIG_HOTPLUG */
-
-static int button_hotplug_connect(struct input_handler *handler,
- struct input_dev *dev, const struct input_device_id *id)
-{
- struct bh_priv *priv;
- int ret;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(button_map); i++)
- if (test_bit(button_map[i].code, dev->keybit))
- break;
-
- if (i == ARRAY_SIZE(button_map))
- return -ENODEV;
-
- priv = kzalloc(sizeof(*priv) +
- (sizeof(unsigned long) * ARRAY_SIZE(button_map)),
- GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- priv->seen = (unsigned long *) &priv[1];
- priv->handle.private = priv;
- priv->handle.dev = dev;
- priv->handle.handler = handler;
- priv->handle.name = DRV_NAME;
-
- ret = input_register_handle(&priv->handle);
- if (ret)
- goto err_free_priv;
-
- ret = input_open_device(&priv->handle);
- if (ret)
- goto err_unregister_handle;
-
- BH_DBG("connected to %s\n", dev->name);
-
- return 0;
-
- err_unregister_handle:
- input_unregister_handle(&priv->handle);
-
- err_free_priv:
- kfree(priv);
- return ret;
-}
-
-static void button_hotplug_disconnect(struct input_handle *handle)
-{
- struct bh_priv *priv = handle->private;
-
- input_close_device(handle);
- input_unregister_handle(handle);
-
- kfree(priv);
-}
-
-static const struct input_device_id button_hotplug_ids[] = {
- {
- .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
- .evbit = { BIT_MASK(EV_KEY) },
- },
- {
- /* Terminating entry */
- },
-};
-
-MODULE_DEVICE_TABLE(input, button_hotplug_ids);
-
-static struct input_handler button_hotplug_handler = {
- .event = button_hotplug_event,
- .connect = button_hotplug_connect,
- .disconnect = button_hotplug_disconnect,
- .name = DRV_NAME,
- .id_table = button_hotplug_ids,
-};
-
-/* -------------------------------------------------------------------------*/
-
-static int __init button_hotplug_init(void)
-{
- int ret;
-
- printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n");
- ret = input_register_handler(&button_hotplug_handler);
- if (ret)
- BH_ERR("unable to register input handler\n");
-
- return ret;
-}
-module_init(button_hotplug_init);
-
-static void __exit button_hotplug_exit(void)
-{
- input_unregister_handler(&button_hotplug_handler);
-}
-module_exit(button_hotplug_exit);
-
-MODULE_DESCRIPTION(DRV_DESC);
-MODULE_VERSION(DRV_VERSION);
-MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
-MODULE_LICENSE("GPL v2");
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 05:34:35 +0000