diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-10-18 21:43:30 +0000 | 
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-10-18 21:43:30 +0000 | 
| commit | 79670e1e13de9f49a610f903feaedc3e8f60d632 (patch) | |
| tree | 093db669aa3ce1faaf10c4575bb61d502918bedc /target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c | |
| parent | a662d5b130a558956875dbe259c551b632abb0f4 (diff) | |
change the way ./files* and the generic kernel files are applied. ./files now applies to *ALL* kernel versions, and is copied along with ./files-* - this gets rid of quite a bit of redundancy in the extra kernel drivers.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13010 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c')
| -rw-r--r-- | target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c | 365 | 
1 files changed, 0 insertions, 365 deletions
diff --git a/target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c b/target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c deleted file mode 100644 index cb47480a3..000000000 --- a/target/linux/generic-2.6/files/drivers/leds/ledtrig-morse.c +++ /dev/null @@ -1,365 +0,0 @@ -/* - *  LED Morse Trigger - * - *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> - * - *  This file was based on: drivers/led/ledtrig-timer.c - *	Copyright 2005-2006 Openedhand Ltd. - *	Author: Richard Purdie <rpurdie@openedhand.com> - * - *  also based on the patch '[PATCH] 2.5.59 morse code panics' posted - *  in the LKML by Tomas Szepe at Thu, 30 Jan 2003 - *	Copyright (C) 2002 Andrew Rodland <arodland@noln.com> - *	Copyright (C) 2003 Tomas Szepe <szepe@pinerecords.com> - * - *  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/kernel.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/jiffies.h> -#include <linux/init.h> -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/device.h> -#include <linux/sysdev.h> -#include <linux/timer.h> -#include <linux/ctype.h> -#include <linux/leds.h> - -#include "leds.h" - -#define MORSE_DELAY_BASE	(HZ/2) - -#define MORSE_STATE_BLINK_START	0 -#define MORSE_STATE_BLINK_STOP	1 - -#define MORSE_DIT_LEN	1 -#define MORSE_DAH_LEN	3 -#define MORSE_SPACE_LEN	7 - -struct morse_trig_data { -	unsigned long delay; -	char *msg; - -	unsigned char morse; -	unsigned char state; -	char *msgpos; -	struct timer_list timer; -}; - -const unsigned char morsetable[] = { -	0122, 0, 0310, 0, 0, 0163,				/* "#$%&' */ -	055, 0155, 0, 0, 0163, 0141, 0152, 0051, 		/* ()*+,-./ */ -	077, 076, 074, 070, 060, 040, 041, 043, 047, 057,	/* 0-9 */ -	0107, 0125, 0, 0061, 0, 0114, 0, 			/* :;<=>?@ */ -	006, 021, 025, 011, 002, 024, 013, 020, 004,		/* A-I */ -	036, 015, 022, 007, 005, 017, 026, 033, 012,		/* J-R */ -	010, 003, 014, 030, 016, 031, 035, 023,			/* S-Z */ -	0, 0, 0, 0, 0154					/* [\]^_ */ -}; - -static inline unsigned char tomorse(char c) { -	if (c >= 'a' && c <= 'z') -		c = c - 'a' + 'A'; -	if (c >= '"' && c <= '_') { -		return morsetable[c - '"']; -	} else -		return 0; -} - -static inline unsigned long dit_len(struct morse_trig_data *morse_data) -{ -	return MORSE_DIT_LEN*morse_data->delay; -} - -static inline unsigned long dah_len(struct morse_trig_data *morse_data) -{ -	return MORSE_DAH_LEN*morse_data->delay; -} - -static inline unsigned long space_len(struct morse_trig_data *morse_data) -{ -	return MORSE_SPACE_LEN*morse_data->delay; -} - -static void morse_timer_function(unsigned long data) -{ -	struct led_classdev *led_cdev = (struct led_classdev *)data; -	struct morse_trig_data *morse_data = led_cdev->trigger_data; -	unsigned long brightness = LED_OFF; -	unsigned long delay = 0; - -	if (!morse_data->msg) -		goto set_led; - -	switch (morse_data->state) { -	case MORSE_STATE_BLINK_START: -		/* Starting a new blink.  We have a valid code in morse. */ -		delay = (morse_data->morse & 001) ? dah_len(morse_data): -			dit_len(morse_data); -		brightness = LED_FULL; -		morse_data->state = MORSE_STATE_BLINK_STOP; -		morse_data->morse >>= 1; -		break; -	case MORSE_STATE_BLINK_STOP: -		/* Coming off of a blink. */ -		morse_data->state = MORSE_STATE_BLINK_START; - -		if (morse_data->morse > 1) { -			/* Not done yet, just a one-dit pause. */ -			delay = dit_len(morse_data); -			break; -		} - -		/* Get a new char, figure out how much space. */ -		/* First time through */ -		if (!morse_data->msgpos) -			morse_data->msgpos = (char *)morse_data->msg; - -		if (!*morse_data->msgpos) { -			/* Repeating */ -			morse_data->msgpos = (char *)morse_data->msg; -			delay = space_len(morse_data); -		} else { -			/* Inter-letter space */ -			delay = dah_len(morse_data); -		} - -		if (!(morse_data->morse = tomorse(*morse_data->msgpos))) { -			delay = space_len(morse_data); -			/* And get us back here */ -			morse_data->state = MORSE_STATE_BLINK_STOP; -		} -		morse_data->msgpos++; -		break; -	} - -	mod_timer(&morse_data->timer, jiffies + msecs_to_jiffies(delay)); - -set_led: -	led_set_brightness(led_cdev, brightness); -} - -static ssize_t _morse_delay_show(struct led_classdev *led_cdev, char *buf) -{ -	struct morse_trig_data *morse_data = led_cdev->trigger_data; - -	sprintf(buf, "%lu\n", morse_data->delay); - -	return strlen(buf) + 1; -} - -static ssize_t _morse_delay_store(struct led_classdev *led_cdev, -		const char *buf, size_t size) -{ -	struct morse_trig_data *morse_data = led_cdev->trigger_data; -	char *after; -	unsigned long state = simple_strtoul(buf, &after, 10); -	size_t count = after - buf; -	int ret = -EINVAL; - -	if (*after && isspace(*after)) -		count++; - -	if (count == size) { -		morse_data->delay = state; -		mod_timer(&morse_data->timer, jiffies + 1); -		ret = count; -	} - -	return ret; -} - -static ssize_t _morse_msg_show(struct led_classdev *led_cdev, char *buf) -{ -	struct morse_trig_data *morse_data = led_cdev->trigger_data; - -	if (!morse_data->msg) -		sprintf(buf, "<none>\n"); -	else -		sprintf(buf, "%s\n", morse_data->msg); - -	return strlen(buf) + 1; -} - -static ssize_t _morse_msg_store(struct led_classdev *led_cdev, -		const char *buf, size_t size) -{ -	struct morse_trig_data *morse_data = led_cdev->trigger_data; -	char *m; - -	m = kmalloc(size, GFP_KERNEL); -	if (!m) -		return -ENOMEM; - -	memcpy(m,buf,size); -	m[size]='\0'; - -	if (morse_data->msg) -		kfree(morse_data->msg); - -	morse_data->msg = m; -	morse_data->msgpos = NULL; -	morse_data->state = MORSE_STATE_BLINK_STOP; - -	mod_timer(&morse_data->timer, jiffies + 1); - -	return size; -} - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) -static ssize_t morse_delay_show(struct device *dev, -		struct device_attribute *attr, char *buf) -{ -	struct led_classdev *led_cdev = dev_get_drvdata(dev); - -	return _morse_delay_show(led_cdev, buf); -} - -static ssize_t morse_delay_store(struct device *dev, -		struct device_attribute *attr, const char *buf, size_t size) -{ -	struct led_classdev *led_cdev = dev_get_drvdata(dev); - -	return _morse_delay_store(led_cdev, buf, size); -} - -static ssize_t morse_msg_show(struct device *dev, -		struct device_attribute *attr, char *buf) -{ -	struct led_classdev *led_cdev = dev_get_drvdata(dev); - -	return _morse_msg_show(led_cdev, buf); -} - -static ssize_t morse_msg_store(struct device *dev, -		struct device_attribute *attr, const char *buf, size_t size) -{ -	struct led_classdev *led_cdev = dev_get_drvdata(dev); - -	return _morse_msg_store(led_cdev, buf, size); -} - -static DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store); -static DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store); - -#define led_device_create_file(leddev, attr) \ -	device_create_file(leddev->dev, &dev_attr_ ## attr) -#define led_device_remove_file(leddev, attr) \ -	device_remove_file(leddev->dev, &dev_attr_ ## attr) - -#else -static ssize_t morse_delay_show(struct class_device *dev, char *buf) -{ -	struct led_classdev *led_cdev = class_get_devdata(dev); - -	return _morse_delay_show(led_cdev, buf); -} - -static ssize_t morse_delay_store(struct class_device *dev, const char *buf, -		size_t size) -{ -	struct led_classdev *led_cdev = class_get_devdata(dev); - -	return _morse_delay_store(led_cdev, buf, size); -} - -static ssize_t morse_msg_show(struct class_device *dev, char *buf) -{ -	struct led_classdev *led_cdev = class_get_devdata(dev); - -	return _morse_msg_show(led_cdev, buf); -} - -static ssize_t morse_msg_store(struct class_device *dev, const char *buf, -				size_t size) -{ -	struct led_classdev *led_cdev = class_get_devdata(dev); - -	return _morse_msg_store(led_cdev, buf, size); -} - -static CLASS_DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store); -static CLASS_DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store); - -#define led_device_create_file(leddev, attr) \ -	class_device_create_file(leddev->class_dev, &class_device_attr_ ## attr) -#define led_device_remove_file(leddev, attr) \ -	class_device_remove_file(leddev->class_dev, &class_device_attr_ ## attr) - -#endif - -static void morse_trig_activate(struct led_classdev *led_cdev) -{ -	struct morse_trig_data *morse_data; -	int rc; - -	morse_data = kzalloc(sizeof(*morse_data), GFP_KERNEL); -	if (!morse_data) -		return; - -	morse_data->delay = MORSE_DELAY_BASE; -	init_timer(&morse_data->timer); -	morse_data->timer.function = morse_timer_function; -	morse_data->timer.data = (unsigned long)led_cdev; - -	rc = led_device_create_file(led_cdev, delay); -	if (rc) goto err; - -	rc = led_device_create_file(led_cdev, message); -	if (rc) goto err_delay; - -	led_cdev->trigger_data = morse_data; - -	return; - -err_delay: -	led_device_remove_file(led_cdev, delay); -err: -	kfree(morse_data); -} - -static void morse_trig_deactivate(struct led_classdev *led_cdev) -{ -	struct morse_trig_data *morse_data = led_cdev->trigger_data; - -	if (!morse_data) -		return; - -	led_device_remove_file(led_cdev, message); -	led_device_remove_file(led_cdev, delay); - -	del_timer_sync(&morse_data->timer); -	if (morse_data->msg) -		kfree(morse_data->msg); - -	kfree(morse_data); -} - -static struct led_trigger morse_led_trigger = { -	.name		= "morse", -	.activate	= morse_trig_activate, -	.deactivate	= morse_trig_deactivate, -}; - -static int __init morse_trig_init(void) -{ -	return led_trigger_register(&morse_led_trigger); -} - -static void __exit morse_trig_exit(void) -{ -	led_trigger_unregister(&morse_led_trigger); -} - -module_init(morse_trig_init); -module_exit(morse_trig_exit); - -MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); -MODULE_DESCRIPTION("Morse LED trigger"); -MODULE_LICENSE("GPL");  | 
