#define UP_TIMEOUT (HZ/4)
-/* enable ir debugging by or'ing av7110_debug with 16 */
+/* enable ir debugging by or'ing debug with 16 */
+static int ir_initialized;
static struct input_dev input_dev;
static u32 ir_config;
static u16 key_map [256] = {
KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7,
KEY_8, KEY_9, KEY_BACK, 0, KEY_POWER, KEY_MUTE, 0, KEY_INFO,
- KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
KEY_CHANNELUP, KEY_CHANNELDOWN, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, KEY_TEXT, 0, 0, KEY_TV, 0, 0, 0, 0, 0, KEY_SETUP, 0, 0,
0, 0, 0, KEY_SUBTITLE, 0, 0, KEY_LANGUAGE, 0,
- KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0,
+ KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0,
KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_OK, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RED, KEY_GREEN, KEY_YELLOW,
- KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, KEY_UP, KEY_UP, KEY_DOWN, KEY_DOWN,
- 0, 0, 0, 0, KEY_EPG, 0, 0, 0,
+ 0, 0, 0, 0, KEY_EPG, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_VCR
};
-static void av7110_emit_keyup (unsigned long data)
+static void av7110_emit_keyup(unsigned long data)
{
- if (!data || !test_bit (data, input_dev.key))
+ if (!data || !test_bit(data, input_dev.key))
return;
- input_event (&input_dev, EV_KEY, data, !!0);
+ input_event(&input_dev, EV_KEY, data, !!0);
}
static struct timer_list keyup_timer = { .function = av7110_emit_keyup };
-static void av7110_emit_key (u32 ircom)
+static void av7110_emit_key(u32 ircom)
{
u8 data;
u8 addr;
}
keycode = key_map[data];
-
+
dprintk(16, "#########%08x######### addr %i data 0x%02x (keycode %i)\n",
- ircom, addr, data, keycode);
+ ircom, addr, data, keycode);
/* check device address (if selected) */
if (ir_config & 0x4000)
return;
}
- if (ir_config & 0x0001)
+ if (ir_config & 0x0001)
new_toggle = 0; /* RCMM */
else
new_toggle = (ircom & 0x800); /* RC5 */
- if (timer_pending (&keyup_timer)) {
- del_timer (&keyup_timer);
+ if (timer_pending(&keyup_timer)) {
+ del_timer(&keyup_timer);
if (keyup_timer.data != keycode || new_toggle != old_toggle) {
- input_event (&input_dev, EV_KEY, keyup_timer.data, !!0);
- input_event (&input_dev, EV_KEY, keycode, !0);
+ input_event(&input_dev, EV_KEY, keyup_timer.data, !!0);
+ input_event(&input_dev, EV_KEY, keycode, !0);
} else
- input_event (&input_dev, EV_KEY, keycode, 2);
+ input_event(&input_dev, EV_KEY, keycode, 2);
} else
- input_event (&input_dev, EV_KEY, keycode, !0);
+ input_event(&input_dev, EV_KEY, keycode, !0);
keyup_timer.expires = jiffies + UP_TIMEOUT;
keyup_timer.data = keycode;
- add_timer (&keyup_timer);
+ add_timer(&keyup_timer);
old_toggle = new_toggle;
}
-static void input_register_keys (void)
+static void input_register_keys(void)
{
int i;
- memset (input_dev.keybit, 0, sizeof(input_dev.keybit));
+ memset(input_dev.keybit, 0, sizeof(input_dev.keybit));
- for (i=0; i<sizeof(key_map)/sizeof(key_map[0]); i++) {
+ for (i = 0; i < sizeof(key_map) / sizeof(key_map[0]); i++) {
if (key_map[i] > KEY_MAX)
key_map[i] = 0;
else if (key_map[i] > KEY_RESERVED)
- set_bit (key_map[i], input_dev.keybit);
+ set_bit(key_map[i], input_dev.keybit);
}
}
}
-static int av7110_ir_write_proc (struct file *file, const char __user *buffer,
- unsigned long count, void *data)
+static int av7110_ir_write_proc(struct file *file, const char __user *buffer,
+ unsigned long count, void *data)
{
char *page;
int size = 4 + 256 * sizeof(u16);
if (count < size)
return -EINVAL;
-
- page = (char *)vmalloc(size);
+
+ page = (char *) vmalloc(size);
if (!page)
return -ENOMEM;
-
+
if (copy_from_user(page, buffer, size)) {
vfree(page);
return -EFAULT;
}
- memcpy (&ir_config, page, 4);
- memcpy (&key_map, page + 4, 256 * sizeof(u16));
-
+ memcpy(&ir_config, page, 4);
+ memcpy(&key_map, page + 4, 256 * sizeof(u16));
vfree(page);
-
- av7110_setup_irc_config (NULL, ir_config);
-
- input_register_keys ();
-
+ av7110_setup_irc_config(NULL, ir_config);
+ input_register_keys();
return count;
}
-int __init av7110_ir_init (void)
+int __init av7110_ir_init(void)
{
static struct proc_dir_entry *e;
- init_timer (&keyup_timer);
+ if (ir_initialized)
+ return 0;
+
+ init_timer(&keyup_timer);
keyup_timer.data = 0;
- input_dev.name = "DVB on-card IR receiver";
+ input_dev.name = "DVB on-card IR receiver";
- /**
- * enable keys
- */
- set_bit (EV_KEY, input_dev.evbit);
- set_bit (EV_REP, input_dev.evbit);
+ /**
+ * enable keys
+ */
+ set_bit(EV_KEY, input_dev.evbit);
+ set_bit(EV_REP, input_dev.evbit);
- input_register_keys ();
+ input_register_keys();
input_register_device(&input_dev);
input_dev.timer.function = input_repeat_key;
- av7110_setup_irc_config (NULL, 0x0001);
- av7110_register_irc_handler (av7110_emit_key);
-
- e = create_proc_entry ("av7110_ir", S_IFREG | S_IRUGO | S_IWUSR, NULL);
+ av7110_setup_irc_config(NULL, 0x0001);
+ av7110_register_irc_handler(av7110_emit_key);
+ e = create_proc_entry("av7110_ir", S_IFREG | S_IRUGO | S_IWUSR, NULL);
if (e) {
e->write_proc = av7110_ir_write_proc;
e->size = 4 + 256 * sizeof(u16);
}
+ ir_initialized = 1;
return 0;
}
-void __exit av7110_ir_exit (void)
+void __exit av7110_ir_exit(void)
{
+ if (ir_initialized == 0)
+ return;
del_timer_sync(&keyup_timer);
- remove_proc_entry ("av7110_ir", NULL);
- av7110_unregister_irc_handler (av7110_emit_key);
+ remove_proc_entry("av7110_ir", NULL);
+ av7110_unregister_irc_handler(av7110_emit_key);
input_unregister_device(&input_dev);
+ ir_initialized = 0;
}
//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>");
git://git.onelab.eu / linux-2.6.git / blobdiff