+++ /dev/null
-/*
- * character device wrapper for generic gpio layer
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
- *
- * Feedback, Bugs... blogic@openwrt.org
- *
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/gpio.h>
-#include <asm/atomic.h>
-#include <linux/init.h>
-#include <linux/genhd.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/gpio_dev.h>
-
-#define DRVNAME "gpiodev"
-#define DEVNAME "gpio"
-
-static int dev_major;
-static unsigned int gpio_access_mask;
-static struct class *gpiodev_class;
-
-/* Counter is 1, if the device is not opened and zero (or less) if opened. */
-static atomic_t gpio_open_cnt = ATOMIC_INIT(1);
-
-static int
-gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
-{
- int retval = 0;
-
- if (((1 << arg) & gpio_access_mask) != (1 << arg))
- {
- retval = -EINVAL;
- goto out;
- }
-
- switch (cmd)
- {
- case GPIO_GET:
- retval = gpio_get_value(arg);
- break;
-
- case GPIO_SET:
- gpio_set_value(arg, 1);
- break;
-
- case GPIO_CLEAR:
- gpio_set_value(arg, 0);
- break;
-
- case GPIO_DIR_IN:
- gpio_direction_input(arg);
- break;
-
- case GPIO_DIR_OUT:
- gpio_direction_output(arg, 0);
- break;
-
- default:
- retval = -EINVAL;
- break;
- }
-
-out:
- return retval;
-}
-
-static int
-gpio_open(struct inode *inode, struct file *file)
-{
- int result = 0;
- unsigned int dev_minor = MINOR(inode->i_rdev);
-
- if (dev_minor != 0)
- {
- printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor);
- result = -ENODEV;
- goto out;
- }
-
- /* FIXME: We should really allow multiple applications to open the device
- * at the same time, as long as the apps access different IO pins.
- * The generic gpio-registration functions can be used for that.
- * Two new IOCTLs have to be introduced for that. Need to check userspace
- * compatibility first. --mb */
- if (!atomic_dec_and_test(&gpio_open_cnt)) {
- atomic_inc(&gpio_open_cnt);
- printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor);
- result = -EBUSY;
- goto out;
- }
-
-out:
- return result;
-}
-
-static int
-gpio_close(struct inode * inode, struct file * file)
-{
- smp_mb__before_atomic_inc();
- atomic_inc(&gpio_open_cnt);
-
- return 0;
-}
-
-struct file_operations gpio_fops = {
- ioctl: gpio_ioctl,
- open: gpio_open,
- release: gpio_close
-};
-
-static int
-gpio_probe(struct platform_device *dev)
-{
- int result = 0;
-
- dev_major = register_chrdev(0, DEVNAME, &gpio_fops);
- if (!dev_major)
- {
- printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME);
- result = -ENODEV;
- goto out;
- }
-
- gpiodev_class = class_create(THIS_MODULE, DRVNAME);
- device_create(gpiodev_class, NULL, MKDEV(dev_major, 0), dev, DEVNAME);
-
- printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major);
-
- if (dev->num_resources != 1)
- {
- printk(KERN_ERR DRVNAME ": device may only have 1 resource\n");
- result = -ENODEV;
- goto out;
- }
-
- gpio_access_mask = dev->resource[0].start;
-
- printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask);
-out:
- return result;
-}
-
-static int
-gpio_remove(struct platform_device *dev)
-{
- unregister_chrdev(dev_major, DEVNAME);
- return 0;
-}
-
-static struct
-platform_driver gpio_driver = {
- .probe = gpio_probe,
- .remove = gpio_remove,
- .driver = {
- .name = "GPIODEV",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init
-gpio_mod_init(void)
-{
- int ret = platform_driver_register(&gpio_driver);
- if (ret)
- printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
-
- return ret;
-}
-
-static void __exit
-gpio_mod_exit(void)
-{
- platform_driver_unregister(&gpio_driver);
-}
-
-module_init (gpio_mod_init);
-module_exit (gpio_mod_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin / OpenWrt");
-MODULE_DESCRIPTION("Character device for for generic gpio api");
+++ /dev/null
-/*
- * Driver for buttons on GPIO lines not capable of generating interrupts
- *
- * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
- *
- * This file was based on: /drivers/input/misc/cobalt_btns.c
- * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
- *
- * also was based on: /drivers/input/keyboard/gpio_keys.c
- * Copyright 2005 Phil Blundell
- *
- * 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/module.h>
-#include <linux/init.h>
-
-#include <linux/input.h>
-#include <linux/input-polldev.h>
-#include <linux/ioport.h>
-#include <linux/platform_device.h>
-
-#include <linux/gpio_buttons.h>
-
-#include <asm/gpio.h>
-
-#define DRV_NAME "gpio-buttons"
-#define DRV_VERSION "0.1.1"
-#define PFX DRV_NAME ": "
-
-struct gpio_buttons_dev {
- struct input_polled_dev *poll_dev;
- struct gpio_buttons_platform_data *pdata;
-};
-
-static void gpio_buttons_poll(struct input_polled_dev *dev)
-{
- struct gpio_buttons_dev *bdev = dev->private;
- struct gpio_buttons_platform_data *pdata = bdev->pdata;
- struct input_dev *input = dev->input;
- int i;
-
- for (i = 0; i < bdev->pdata->nbuttons; i++) {
- struct gpio_button *button = &pdata->buttons[i];
- unsigned int type = button->type ?: EV_KEY;
- int state;
-
- state = gpio_get_value(button->gpio) ? 1 : 0;
- state ^= button->active_low;
-
- if (state) {
- button->count++;
- } else {
- if (button->count >= button->threshold) {
- input_event(input, type, button->code, 1);
- input_sync(input);
- }
- button->count = 0;
- }
-
- if (button->count == button->threshold) {
- input_event(input, type, button->code, 0);
- input_sync(input);
- }
- }
-}
-
-static int __devinit gpio_buttons_probe(struct platform_device *pdev)
-{
- struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data;
- struct gpio_buttons_dev *bdev;
- struct input_polled_dev *poll_dev;
- struct input_dev *input;
- int error, i;
-
-
- if (!pdata)
- return -ENXIO;
-
- bdev = kzalloc(sizeof(*bdev), GFP_KERNEL);
- if (!bdev) {
- printk(KERN_ERR DRV_NAME "no memory for device\n");
- return -ENOMEM;
- }
-
- poll_dev = input_allocate_polled_device();
- if (!poll_dev) {
- printk(KERN_ERR DRV_NAME "no memory for polled device\n");
- error = -ENOMEM;
- goto err_free_bdev;
- }
-
- poll_dev->private = bdev;
- poll_dev->poll = gpio_buttons_poll;
- poll_dev->poll_interval = pdata->poll_interval;
-
- input = poll_dev->input;
-
- input->evbit[0] = BIT(EV_KEY);
- input->name = pdev->name;
- input->phys = "gpio-buttons/input0";
- input->dev.parent = &pdev->dev;
-
- input->id.bustype = BUS_HOST;
- input->id.vendor = 0x0001;
- input->id.product = 0x0001;
- input->id.version = 0x0100;
-
- for (i = 0; i < pdata->nbuttons; i++) {
- struct gpio_button *button = &pdata->buttons[i];
- unsigned int gpio = button->gpio;
- unsigned int type = button->type ?: EV_KEY;
-
- error = gpio_request(gpio, button->desc ?
- button->desc : DRV_NAME);
- if (error) {
- printk(KERN_ERR PFX "unable to claim gpio %u, "
- "error %d\n", gpio, error);
- goto err_free_gpio;
- }
-
- error = gpio_direction_input(gpio);
- if (error) {
- printk(KERN_ERR PFX "unable to set direction on "
- "gpio %u, error %d\n", gpio, error);
- goto err_free_gpio;
- }
-
- input_set_capability(input, type, button->code);
- button->count = 0;
- }
-
- bdev->poll_dev = poll_dev;
- bdev->pdata = pdata;
- platform_set_drvdata(pdev, bdev);
-
- error = input_register_polled_device(poll_dev);
- if (error) {
- printk(KERN_ERR PFX "unable to register polled device, "
- "error %d\n", error);
- goto err_free_gpio;
- }
-
- return 0;
-
-err_free_gpio:
- for (i = i - 1; i >= 0; i--)
- gpio_free(pdata->buttons[i].gpio);
-
- input_free_polled_device(poll_dev);
-
-err_free_bdev:
- kfree(bdev);
-
- platform_set_drvdata(pdev, NULL);
- return error;
-}
-
-static int __devexit gpio_buttons_remove(struct platform_device *pdev)
-{
- struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev);
- struct gpio_buttons_platform_data *pdata = bdev->pdata;
- int i;
-
- input_unregister_polled_device(bdev->poll_dev);
-
- for (i = 0; i < pdata->nbuttons; i++)
- gpio_free(pdata->buttons[i].gpio);
-
- input_free_polled_device(bdev->poll_dev);
-
- kfree(bdev);
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-static struct platform_driver gpio_buttons_driver = {
- .probe = gpio_buttons_probe,
- .remove = __devexit_p(gpio_buttons_remove),
- .driver = {
- .name = DRV_NAME,
- .owner = THIS_MODULE,
- },
-};
-
-static int __init gpio_buttons_init(void)
-{
- printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n");
- return platform_driver_register(&gpio_buttons_driver);
-}
-
-static void __exit gpio_buttons_exit(void)
-{
- platform_driver_unregister(&gpio_buttons_driver);
-}
-
-module_init(gpio_buttons_init);
-module_exit(gpio_buttons_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
-MODULE_VERSION(DRV_VERSION);
-MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs");
-
+++ /dev/null
-/*
- * 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");
+++ /dev/null
-/*
- * LED Kernel Netdev Trigger
- *
- * Toggles the LED to reflect the link and traffic state of a named net device
- *
- * Copyright 2007 Oliver Jowett <oliver@opencloud.com>
- *
- * Derived from ledtrig-timer.c which is:
- * Copyright 2005-2006 Openedhand Ltd.
- * Author: Richard Purdie <rpurdie@openedhand.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/module.h>
-#include <linux/jiffies.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/device.h>
-#include <linux/sysdev.h>
-#include <linux/netdevice.h>
-#include <linux/timer.h>
-#include <linux/ctype.h>
-#include <linux/leds.h>
-#include <linux/version.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
-#include <net/net_namespace.h>
-#endif
-
-#include "leds.h"
-
-/*
- * Configurable sysfs attributes:
- *
- * device_name - network device name to monitor
- *
- * interval - duration of LED blink, in milliseconds
- *
- * mode - either "none" (LED is off) or a space separated list of one or more of:
- * link: LED's normal state reflects whether the link is up (has carrier) or not
- * tx: LED blinks on transmitted data
- * rx: LED blinks on receive data
- *
- * Some suggestions:
- *
- * Simple link status LED:
- * $ echo netdev >someled/trigger
- * $ echo eth0 >someled/device_name
- * $ echo link >someled/mode
- *
- * Ethernet-style link/activity LED:
- * $ echo netdev >someled/trigger
- * $ echo eth0 >someled/device_name
- * $ echo "link tx rx" >someled/mode
- *
- * Modem-style tx/rx LEDs:
- * $ echo netdev >led1/trigger
- * $ echo ppp0 >led1/device_name
- * $ echo tx >led1/mode
- * $ echo netdev >led2/trigger
- * $ echo ppp0 >led2/device_name
- * $ echo rx >led2/mode
- *
- */
-
-#define MODE_LINK 1
-#define MODE_TX 2
-#define MODE_RX 4
-
-struct led_netdev_data {
- rwlock_t lock;
-
- struct timer_list timer;
- struct notifier_block notifier;
-
- struct led_classdev *led_cdev;
- struct net_device *net_dev;
-
- char device_name[IFNAMSIZ];
- unsigned interval;
- unsigned mode;
- unsigned link_up;
- unsigned last_activity;
-};
-
-static void set_baseline_state(struct led_netdev_data *trigger_data)
-{
- if ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up)
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- else
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
-
- if ((trigger_data->mode & (MODE_TX | MODE_RX)) != 0 && trigger_data->link_up)
- mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
- else
- del_timer(&trigger_data->timer);
-}
-
-static ssize_t led_device_name_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
- sprintf(buf, "%s\n", trigger_data->device_name);
- read_unlock(&trigger_data->lock);
-
- return strlen(buf) + 1;
-}
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-extern struct net init_net;
-#endif
-
-static ssize_t led_device_name_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- if (size < 0 || size >= IFNAMSIZ)
- return -EINVAL;
-
- write_lock(&trigger_data->lock);
-
- strcpy(trigger_data->device_name, buf);
- if (size > 0 && trigger_data->device_name[size-1] == '\n')
- trigger_data->device_name[size-1] = 0;
-
- if (trigger_data->device_name[0] != 0) {
- /* check for existing device to update from */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
- trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name);
-#else
- trigger_data->net_dev = dev_get_by_name(trigger_data->device_name);
-#endif
- if (trigger_data->net_dev != NULL)
- trigger_data->link_up = (dev_get_flags(trigger_data->net_dev) & IFF_LOWER_UP) != 0;
- set_baseline_state(trigger_data); /* updates LEDs, may start timers */
- }
-
- write_unlock(&trigger_data->lock);
- return size;
-}
-
-static DEVICE_ATTR(device_name, 0644, led_device_name_show, led_device_name_store);
-
-static ssize_t led_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
-
- if (trigger_data->mode == 0) {
- strcpy(buf, "none\n");
- } else {
- if (trigger_data->mode & MODE_LINK)
- strcat(buf, "link ");
- if (trigger_data->mode & MODE_TX)
- strcat(buf, "tx ");
- if (trigger_data->mode & MODE_RX)
- strcat(buf, "rx ");
- strcat(buf, "\n");
- }
-
- read_unlock(&trigger_data->lock);
-
- return strlen(buf)+1;
-}
-
-static ssize_t led_mode_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
- char copybuf[1024];
- int new_mode = -1;
- char *p, *token;
-
- /* take a copy since we don't want to trash the inbound buffer when using strsep */
- strncpy(copybuf, buf, sizeof(copybuf));
- copybuf[1023] = 0;
- p = copybuf;
-
- while ((token = strsep(&p, " \t\n")) != NULL) {
- if (!*token)
- continue;
-
- if (new_mode == -1)
- new_mode = 0;
-
- if (!strcmp(token, "none"))
- new_mode = 0;
- else if (!strcmp(token, "tx"))
- new_mode |= MODE_TX;
- else if (!strcmp(token, "rx"))
- new_mode |= MODE_RX;
- else if (!strcmp(token, "link"))
- new_mode |= MODE_LINK;
- else
- return -EINVAL;
- }
-
- if (new_mode == -1)
- return -EINVAL;
-
- write_lock(&trigger_data->lock);
- trigger_data->mode = new_mode;
- set_baseline_state(trigger_data);
- write_unlock(&trigger_data->lock);
-
- return size;
-}
-
-static DEVICE_ATTR(mode, 0644, led_mode_show, led_mode_store);
-
-static ssize_t led_interval_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
- sprintf(buf, "%u\n", jiffies_to_msecs(trigger_data->interval));
- read_unlock(&trigger_data->lock);
-
- return strlen(buf) + 1;
-}
-
-static ssize_t led_interval_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
- int ret = -EINVAL;
- char *after;
- unsigned long value = simple_strtoul(buf, &after, 10);
- size_t count = after - buf;
-
- if (*after && isspace(*after))
- count++;
-
- /* impose some basic bounds on the timer interval */
- if (count == size && value >= 5 && value <= 10000) {
- write_lock(&trigger_data->lock);
- trigger_data->interval = msecs_to_jiffies(value);
- set_baseline_state(trigger_data); // resets timer
- write_unlock(&trigger_data->lock);
- ret = count;
- }
-
- return ret;
-}
-
-static DEVICE_ATTR(interval, 0644, led_interval_show, led_interval_store);
-
-static int netdev_trig_notify(struct notifier_block *nb,
- unsigned long evt,
- void *dv)
-{
- struct net_device *dev = dv;
- struct led_netdev_data *trigger_data = container_of(nb, struct led_netdev_data, notifier);
-
- if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER)
- return NOTIFY_DONE;
-
- write_lock(&trigger_data->lock);
-
- if (strcmp(dev->name, trigger_data->device_name))
- goto done;
-
- if (evt == NETDEV_REGISTER) {
- if (trigger_data->net_dev != NULL)
- dev_put(trigger_data->net_dev);
- dev_hold(dev);
- trigger_data->net_dev = dev;
- trigger_data->link_up = 0;
- goto done;
- }
-
- if (evt == NETDEV_UNREGISTER && trigger_data->net_dev != NULL) {
- dev_put(trigger_data->net_dev);
- trigger_data->net_dev = NULL;
- goto done;
- }
-
- /* UP / DOWN / CHANGE */
-
- trigger_data->link_up = (evt != NETDEV_DOWN && netif_carrier_ok(dev));
- set_baseline_state(trigger_data);
-
-done:
- write_unlock(&trigger_data->lock);
- return NOTIFY_DONE;
-}
-
-/* here's the real work! */
-static void netdev_trig_timer(unsigned long arg)
-{
- struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg;
- const struct net_device_stats *dev_stats;
- unsigned new_activity;
-
- write_lock(&trigger_data->lock);
-
- if (!trigger_data->link_up || !trigger_data->net_dev || (trigger_data->mode & (MODE_TX | MODE_RX)) == 0) {
- /* we don't need to do timer work, just reflect link state. */
- led_set_brightness(trigger_data->led_cdev, ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) ? LED_FULL : LED_OFF);
- goto no_restart;
- }
-
- dev_stats = dev_get_stats(trigger_data->net_dev);
- new_activity =
- ((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) +
- ((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0);
-
- if (trigger_data->mode & MODE_LINK) {
- /* base state is ON (link present) */
- /* if there's no link, we don't get this far and the LED is off */
-
- /* OFF -> ON always */
- /* ON -> OFF on activity */
- if (trigger_data->led_cdev->brightness == LED_OFF) {
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- } else if (trigger_data->last_activity != new_activity) {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
- }
- } else {
- /* base state is OFF */
- /* ON -> OFF always */
- /* OFF -> ON on activity */
- if (trigger_data->led_cdev->brightness == LED_FULL) {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
- } else if (trigger_data->last_activity != new_activity) {
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- }
- }
-
- trigger_data->last_activity = new_activity;
- mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
-
-no_restart:
- write_unlock(&trigger_data->lock);
-}
-
-static void netdev_trig_activate(struct led_classdev *led_cdev)
-{
- struct led_netdev_data *trigger_data;
- int rc;
-
- trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
- if (!trigger_data)
- return;
-
- rwlock_init(&trigger_data->lock);
-
- trigger_data->notifier.notifier_call = netdev_trig_notify;
- trigger_data->notifier.priority = 10;
-
- setup_timer(&trigger_data->timer, netdev_trig_timer, (unsigned long) trigger_data);
-
- trigger_data->led_cdev = led_cdev;
- trigger_data->net_dev = NULL;
- trigger_data->device_name[0] = 0;
-
- trigger_data->mode = 0;
- trigger_data->interval = msecs_to_jiffies(50);
- trigger_data->link_up = 0;
- trigger_data->last_activity = 0;
-
- led_cdev->trigger_data = trigger_data;
-
- rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
- if (rc)
- goto err_out;
- rc = device_create_file(led_cdev->dev, &dev_attr_mode);
- if (rc)
- goto err_out_device_name;
- rc = device_create_file(led_cdev->dev, &dev_attr_interval);
- if (rc)
- goto err_out_mode;
-
- register_netdevice_notifier(&trigger_data->notifier);
- return;
-
-err_out_mode:
- device_remove_file(led_cdev->dev, &dev_attr_mode);
-err_out_device_name:
- device_remove_file(led_cdev->dev, &dev_attr_device_name);
-err_out:
- led_cdev->trigger_data = NULL;
- kfree(trigger_data);
-}
-
-static void netdev_trig_deactivate(struct led_classdev *led_cdev)
-{
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- if (trigger_data) {
- unregister_netdevice_notifier(&trigger_data->notifier);
-
- device_remove_file(led_cdev->dev, &dev_attr_device_name);
- device_remove_file(led_cdev->dev, &dev_attr_mode);
- device_remove_file(led_cdev->dev, &dev_attr_interval);
-
- write_lock(&trigger_data->lock);
-
- if (trigger_data->net_dev) {
- dev_put(trigger_data->net_dev);
- trigger_data->net_dev = NULL;
- }
-
- write_unlock(&trigger_data->lock);
-
- del_timer_sync(&trigger_data->timer);
-
- kfree(trigger_data);
- }
-}
-
-static struct led_trigger netdev_led_trigger = {
- .name = "netdev",
- .activate = netdev_trig_activate,
- .deactivate = netdev_trig_deactivate,
-};
-
-static int __init netdev_trig_init(void)
-{
- return led_trigger_register(&netdev_led_trigger);
-}
-
-static void __exit netdev_trig_exit(void)
-{
- led_trigger_unregister(&netdev_led_trigger);
-}
-
-module_init(netdev_trig_init);
-module_exit(netdev_trig_exit);
-
-MODULE_AUTHOR("Oliver Jowett <oliver@opencloud.com>");
-MODULE_DESCRIPTION("Netdev LED trigger");
-MODULE_LICENSE("GPL");
+++ /dev/null
-#ifndef __GLAMO_ENGINE_H
-#define __GLAMO_ENGINE_H
-
-enum glamo_engine {
- GLAMO_ENGINE_CAPTURE = 0,
- GLAMO_ENGINE_ISP = 1,
- GLAMO_ENGINE_JPEG = 2,
- GLAMO_ENGINE_MPEG_ENC = 3,
- GLAMO_ENGINE_MPEG_DEC = 4,
- GLAMO_ENGINE_LCD = 5,
- GLAMO_ENGINE_CMDQ = 6,
- GLAMO_ENGINE_2D = 7,
- GLAMO_ENGINE_3D = 8,
- GLAMO_ENGINE_MMC = 9,
- GLAMO_ENGINE_MICROP0 = 10,
- GLAMO_ENGINE_RISC = 11,
- GLAMO_ENGINE_MICROP1_MPEG_ENC = 12,
- GLAMO_ENGINE_MICROP1_MPEG_DEC = 13,
-#if 0
- GLAMO_ENGINE_H264_DEC = 14,
- GLAMO_ENGINE_RISC1 = 15,
- GLAMO_ENGINE_SPI = 16,
-#endif
- __NUM_GLAMO_ENGINES
-};
-
-#endif
+++ /dev/null
-#ifndef _LINUX_GLAMOFB_H
-#define _LINUX_GLAMOFB_H
-
-#include <linux/fb.h>
-
-#ifdef __KERNEL__
-
-struct glamo_core;
-struct glamofb_handle;
-
-struct glamo_fb_platform_data {
- int width, height;
-
- int num_modes;
- struct fb_videomode *modes;
-
- struct glamo_core *core;
-};
-
-int glamofb_cmd_mode(struct glamofb_handle *gfb, int on);
-int glamofb_cmd_write(struct glamofb_handle *gfb, u_int16_t val);
-
-#ifdef CONFIG_MFD_GLAMO
-void glamo_lcm_reset(struct platform_device *pdev, int level);
-#else
-#define glamo_lcm_reset(...) do {} while (0)
-#endif
-
-#endif
-
-#define GLAMOFB_ENGINE_ENABLE _IOW('F', 0x1, __u32)
-#define GLAMOFB_ENGINE_DISABLE _IOW('F', 0x2, __u32)
-#define GLAMOFB_ENGINE_RESET _IOW('F', 0x3, __u32)
-
-#endif
+++ /dev/null
-/*
- * Definitions for the GPIO buttons interface driver
- *
- * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
- *
- * This file was based on: /include/linux/gpio_keys.h
- * The original gpio_keys.h seems not to have a license.
- *
- * 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.
- *
- */
-
-#ifndef _GPIO_BUTTONS_H_
-#define _GPIO_BUTTONS_H_
-
-struct gpio_button {
- int gpio; /* GPIO line number */
- int active_low;
- char *desc; /* button description */
- int type; /* input event type (EV_KEY, EV_SW) */
- int code; /* input event code (KEY_*, SW_*) */
- int count;
- int threshold; /* count threshold */
-};
-
-struct gpio_buttons_platform_data {
- struct gpio_button *buttons;
- int nbuttons; /* number of buttons */
- int poll_interval; /* polling interval */
-};
-
-#endif /* _GPIO_BUTTONS_H_ */
-
+++ /dev/null
-#ifndef _GPIODEV_H__
-#define _GPIODEV_H__
-
-#define IOC_GPIODEV_MAGIC 'B'
-#define GPIO_GET _IO(IOC_GPIODEV_MAGIC, 10)
-#define GPIO_SET _IO(IOC_GPIODEV_MAGIC, 11)
-#define GPIO_CLEAR _IO(IOC_GPIODEV_MAGIC, 12)
-#define GPIO_DIR_IN _IO(IOC_GPIODEV_MAGIC, 13)
-#define GPIO_DIR_OUT _IO(IOC_GPIODEV_MAGIC, 14)
-
-#endif
+++ /dev/null
-/*
- * character device wrapper for generic gpio layer
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
- *
- * Feedback, Bugs... blogic@openwrt.org
- *
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/gpio.h>
-#include <asm/atomic.h>
-#include <linux/init.h>
-#include <linux/genhd.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/gpio_dev.h>
-
-#define DRVNAME "gpiodev"
-#define DEVNAME "gpio"
-
-static int dev_major;
-static unsigned int gpio_access_mask;
-static struct class *gpiodev_class;
-
-/* Counter is 1, if the device is not opened and zero (or less) if opened. */
-static atomic_t gpio_open_cnt = ATOMIC_INIT(1);
-
-static int
-gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
-{
- int retval = 0;
-
- if (((1 << arg) & gpio_access_mask) != (1 << arg))
- {
- retval = -EINVAL;
- goto out;
- }
-
- switch (cmd)
- {
- case GPIO_GET:
- retval = gpio_get_value(arg);
- break;
-
- case GPIO_SET:
- gpio_set_value(arg, 1);
- break;
-
- case GPIO_CLEAR:
- gpio_set_value(arg, 0);
- break;
-
- case GPIO_DIR_IN:
- gpio_direction_input(arg);
- break;
-
- case GPIO_DIR_OUT:
- gpio_direction_output(arg, 0);
- break;
-
- default:
- retval = -EINVAL;
- break;
- }
-
-out:
- return retval;
-}
-
-static int
-gpio_open(struct inode *inode, struct file *file)
-{
- int result = 0;
- unsigned int dev_minor = MINOR(inode->i_rdev);
-
- if (dev_minor != 0)
- {
- printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor);
- result = -ENODEV;
- goto out;
- }
-
- /* FIXME: We should really allow multiple applications to open the device
- * at the same time, as long as the apps access different IO pins.
- * The generic gpio-registration functions can be used for that.
- * Two new IOCTLs have to be introduced for that. Need to check userspace
- * compatibility first. --mb */
- if (!atomic_dec_and_test(&gpio_open_cnt)) {
- atomic_inc(&gpio_open_cnt);
- printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor);
- result = -EBUSY;
- goto out;
- }
-
-out:
- return result;
-}
-
-static int
-gpio_close(struct inode * inode, struct file * file)
-{
- smp_mb__before_atomic_inc();
- atomic_inc(&gpio_open_cnt);
-
- return 0;
-}
-
-struct file_operations gpio_fops = {
- ioctl: gpio_ioctl,
- open: gpio_open,
- release: gpio_close
-};
-
-static int
-gpio_probe(struct platform_device *dev)
-{
- int result = 0;
-
- dev_major = register_chrdev(0, DEVNAME, &gpio_fops);
- if (!dev_major)
- {
- printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME);
- result = -ENODEV;
- goto out;
- }
-
- gpiodev_class = class_create(THIS_MODULE, DRVNAME);
- device_create(gpiodev_class, NULL, MKDEV(dev_major, 0), dev, DEVNAME);
-
- printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major);
-
- if (dev->num_resources != 1)
- {
- printk(KERN_ERR DRVNAME ": device may only have 1 resource\n");
- result = -ENODEV;
- goto out;
- }
-
- gpio_access_mask = dev->resource[0].start;
-
- printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask);
-out:
- return result;
-}
-
-static int
-gpio_remove(struct platform_device *dev)
-{
- unregister_chrdev(dev_major, DEVNAME);
- return 0;
-}
-
-static struct
-platform_driver gpio_driver = {
- .probe = gpio_probe,
- .remove = gpio_remove,
- .driver = {
- .name = "GPIODEV",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init
-gpio_mod_init(void)
-{
- int ret = platform_driver_register(&gpio_driver);
- if (ret)
- printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
-
- return ret;
-}
-
-static void __exit
-gpio_mod_exit(void)
-{
- platform_driver_unregister(&gpio_driver);
-}
-
-module_init (gpio_mod_init);
-module_exit (gpio_mod_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin / OpenWrt");
-MODULE_DESCRIPTION("Character device for for generic gpio api");
+++ /dev/null
-/*
- * Driver for buttons on GPIO lines not capable of generating interrupts
- *
- * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
- *
- * This file was based on: /drivers/input/misc/cobalt_btns.c
- * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
- *
- * also was based on: /drivers/input/keyboard/gpio_keys.c
- * Copyright 2005 Phil Blundell
- *
- * 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/module.h>
-#include <linux/init.h>
-
-#include <linux/input.h>
-#include <linux/input-polldev.h>
-#include <linux/ioport.h>
-#include <linux/platform_device.h>
-
-#include <linux/gpio_buttons.h>
-
-#include <asm/gpio.h>
-
-#define DRV_NAME "gpio-buttons"
-#define DRV_VERSION "0.1.1"
-#define PFX DRV_NAME ": "
-
-struct gpio_buttons_dev {
- struct input_polled_dev *poll_dev;
- struct gpio_buttons_platform_data *pdata;
-};
-
-static void gpio_buttons_poll(struct input_polled_dev *dev)
-{
- struct gpio_buttons_dev *bdev = dev->private;
- struct gpio_buttons_platform_data *pdata = bdev->pdata;
- struct input_dev *input = dev->input;
- int i;
-
- for (i = 0; i < bdev->pdata->nbuttons; i++) {
- struct gpio_button *button = &pdata->buttons[i];
- unsigned int type = button->type ?: EV_KEY;
- int state;
-
- state = gpio_get_value(button->gpio) ? 1 : 0;
- state ^= button->active_low;
-
- if (state) {
- button->count++;
- } else {
- if (button->count >= button->threshold) {
- input_event(input, type, button->code, 1);
- input_sync(input);
- }
- button->count = 0;
- }
-
- if (button->count == button->threshold) {
- input_event(input, type, button->code, 0);
- input_sync(input);
- }
- }
-}
-
-static int __devinit gpio_buttons_probe(struct platform_device *pdev)
-{
- struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data;
- struct gpio_buttons_dev *bdev;
- struct input_polled_dev *poll_dev;
- struct input_dev *input;
- int error, i;
-
-
- if (!pdata)
- return -ENXIO;
-
- bdev = kzalloc(sizeof(*bdev), GFP_KERNEL);
- if (!bdev) {
- printk(KERN_ERR DRV_NAME "no memory for device\n");
- return -ENOMEM;
- }
-
- poll_dev = input_allocate_polled_device();
- if (!poll_dev) {
- printk(KERN_ERR DRV_NAME "no memory for polled device\n");
- error = -ENOMEM;
- goto err_free_bdev;
- }
-
- poll_dev->private = bdev;
- poll_dev->poll = gpio_buttons_poll;
- poll_dev->poll_interval = pdata->poll_interval;
-
- input = poll_dev->input;
-
- input->evbit[0] = BIT(EV_KEY);
- input->name = pdev->name;
- input->phys = "gpio-buttons/input0";
- input->dev.parent = &pdev->dev;
-
- input->id.bustype = BUS_HOST;
- input->id.vendor = 0x0001;
- input->id.product = 0x0001;
- input->id.version = 0x0100;
-
- for (i = 0; i < pdata->nbuttons; i++) {
- struct gpio_button *button = &pdata->buttons[i];
- unsigned int gpio = button->gpio;
- unsigned int type = button->type ?: EV_KEY;
-
- error = gpio_request(gpio, button->desc ?
- button->desc : DRV_NAME);
- if (error) {
- printk(KERN_ERR PFX "unable to claim gpio %u, "
- "error %d\n", gpio, error);
- goto err_free_gpio;
- }
-
- error = gpio_direction_input(gpio);
- if (error) {
- printk(KERN_ERR PFX "unable to set direction on "
- "gpio %u, error %d\n", gpio, error);
- goto err_free_gpio;
- }
-
- input_set_capability(input, type, button->code);
- button->count = 0;
- }
-
- bdev->poll_dev = poll_dev;
- bdev->pdata = pdata;
- platform_set_drvdata(pdev, bdev);
-
- error = input_register_polled_device(poll_dev);
- if (error) {
- printk(KERN_ERR PFX "unable to register polled device, "
- "error %d\n", error);
- goto err_free_gpio;
- }
-
- return 0;
-
-err_free_gpio:
- for (i = i - 1; i >= 0; i--)
- gpio_free(pdata->buttons[i].gpio);
-
- input_free_polled_device(poll_dev);
-
-err_free_bdev:
- kfree(bdev);
-
- platform_set_drvdata(pdev, NULL);
- return error;
-}
-
-static int __devexit gpio_buttons_remove(struct platform_device *pdev)
-{
- struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev);
- struct gpio_buttons_platform_data *pdata = bdev->pdata;
- int i;
-
- input_unregister_polled_device(bdev->poll_dev);
-
- for (i = 0; i < pdata->nbuttons; i++)
- gpio_free(pdata->buttons[i].gpio);
-
- input_free_polled_device(bdev->poll_dev);
-
- kfree(bdev);
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-static struct platform_driver gpio_buttons_driver = {
- .probe = gpio_buttons_probe,
- .remove = __devexit_p(gpio_buttons_remove),
- .driver = {
- .name = DRV_NAME,
- .owner = THIS_MODULE,
- },
-};
-
-static int __init gpio_buttons_init(void)
-{
- printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n");
- return platform_driver_register(&gpio_buttons_driver);
-}
-
-static void __exit gpio_buttons_exit(void)
-{
- platform_driver_unregister(&gpio_buttons_driver);
-}
-
-module_init(gpio_buttons_init);
-module_exit(gpio_buttons_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
-MODULE_VERSION(DRV_VERSION);
-MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs");
-
+++ /dev/null
-/*
- * 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");
+++ /dev/null
-/*
- * LED Kernel Netdev Trigger
- *
- * Toggles the LED to reflect the link and traffic state of a named net device
- *
- * Copyright 2007 Oliver Jowett <oliver@opencloud.com>
- *
- * Derived from ledtrig-timer.c which is:
- * Copyright 2005-2006 Openedhand Ltd.
- * Author: Richard Purdie <rpurdie@openedhand.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/module.h>
-#include <linux/jiffies.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/device.h>
-#include <linux/sysdev.h>
-#include <linux/netdevice.h>
-#include <linux/timer.h>
-#include <linux/ctype.h>
-#include <linux/leds.h>
-#include <linux/version.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
-#include <net/net_namespace.h>
-#endif
-
-#include "leds.h"
-
-/*
- * Configurable sysfs attributes:
- *
- * device_name - network device name to monitor
- *
- * interval - duration of LED blink, in milliseconds
- *
- * mode - either "none" (LED is off) or a space separated list of one or more of:
- * link: LED's normal state reflects whether the link is up (has carrier) or not
- * tx: LED blinks on transmitted data
- * rx: LED blinks on receive data
- *
- * Some suggestions:
- *
- * Simple link status LED:
- * $ echo netdev >someled/trigger
- * $ echo eth0 >someled/device_name
- * $ echo link >someled/mode
- *
- * Ethernet-style link/activity LED:
- * $ echo netdev >someled/trigger
- * $ echo eth0 >someled/device_name
- * $ echo "link tx rx" >someled/mode
- *
- * Modem-style tx/rx LEDs:
- * $ echo netdev >led1/trigger
- * $ echo ppp0 >led1/device_name
- * $ echo tx >led1/mode
- * $ echo netdev >led2/trigger
- * $ echo ppp0 >led2/device_name
- * $ echo rx >led2/mode
- *
- */
-
-#define MODE_LINK 1
-#define MODE_TX 2
-#define MODE_RX 4
-
-struct led_netdev_data {
- rwlock_t lock;
-
- struct timer_list timer;
- struct notifier_block notifier;
-
- struct led_classdev *led_cdev;
- struct net_device *net_dev;
-
- char device_name[IFNAMSIZ];
- unsigned interval;
- unsigned mode;
- unsigned link_up;
- unsigned last_activity;
-};
-
-static void set_baseline_state(struct led_netdev_data *trigger_data)
-{
- if ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up)
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- else
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
-
- if ((trigger_data->mode & (MODE_TX | MODE_RX)) != 0 && trigger_data->link_up)
- mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
- else
- del_timer(&trigger_data->timer);
-}
-
-static ssize_t led_device_name_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
- sprintf(buf, "%s\n", trigger_data->device_name);
- read_unlock(&trigger_data->lock);
-
- return strlen(buf) + 1;
-}
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-extern struct net init_net;
-#endif
-
-static ssize_t led_device_name_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- if (size < 0 || size >= IFNAMSIZ)
- return -EINVAL;
-
- write_lock(&trigger_data->lock);
-
- strcpy(trigger_data->device_name, buf);
- if (size > 0 && trigger_data->device_name[size-1] == '\n')
- trigger_data->device_name[size-1] = 0;
-
- if (trigger_data->device_name[0] != 0) {
- /* check for existing device to update from */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
- trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name);
-#else
- trigger_data->net_dev = dev_get_by_name(trigger_data->device_name);
-#endif
- if (trigger_data->net_dev != NULL)
- trigger_data->link_up = (dev_get_flags(trigger_data->net_dev) & IFF_LOWER_UP) != 0;
- set_baseline_state(trigger_data); /* updates LEDs, may start timers */
- }
-
- write_unlock(&trigger_data->lock);
- return size;
-}
-
-static DEVICE_ATTR(device_name, 0644, led_device_name_show, led_device_name_store);
-
-static ssize_t led_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
-
- if (trigger_data->mode == 0) {
- strcpy(buf, "none\n");
- } else {
- if (trigger_data->mode & MODE_LINK)
- strcat(buf, "link ");
- if (trigger_data->mode & MODE_TX)
- strcat(buf, "tx ");
- if (trigger_data->mode & MODE_RX)
- strcat(buf, "rx ");
- strcat(buf, "\n");
- }
-
- read_unlock(&trigger_data->lock);
-
- return strlen(buf)+1;
-}
-
-static ssize_t led_mode_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
- char copybuf[1024];
- int new_mode = -1;
- char *p, *token;
-
- /* take a copy since we don't want to trash the inbound buffer when using strsep */
- strncpy(copybuf, buf, sizeof(copybuf));
- copybuf[1023] = 0;
- p = copybuf;
-
- while ((token = strsep(&p, " \t\n")) != NULL) {
- if (!*token)
- continue;
-
- if (new_mode == -1)
- new_mode = 0;
-
- if (!strcmp(token, "none"))
- new_mode = 0;
- else if (!strcmp(token, "tx"))
- new_mode |= MODE_TX;
- else if (!strcmp(token, "rx"))
- new_mode |= MODE_RX;
- else if (!strcmp(token, "link"))
- new_mode |= MODE_LINK;
- else
- return -EINVAL;
- }
-
- if (new_mode == -1)
- return -EINVAL;
-
- write_lock(&trigger_data->lock);
- trigger_data->mode = new_mode;
- set_baseline_state(trigger_data);
- write_unlock(&trigger_data->lock);
-
- return size;
-}
-
-static DEVICE_ATTR(mode, 0644, led_mode_show, led_mode_store);
-
-static ssize_t led_interval_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
- sprintf(buf, "%u\n", jiffies_to_msecs(trigger_data->interval));
- read_unlock(&trigger_data->lock);
-
- return strlen(buf) + 1;
-}
-
-static ssize_t led_interval_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
- int ret = -EINVAL;
- char *after;
- unsigned long value = simple_strtoul(buf, &after, 10);
- size_t count = after - buf;
-
- if (*after && isspace(*after))
- count++;
-
- /* impose some basic bounds on the timer interval */
- if (count == size && value >= 5 && value <= 10000) {
- write_lock(&trigger_data->lock);
- trigger_data->interval = msecs_to_jiffies(value);
- set_baseline_state(trigger_data); // resets timer
- write_unlock(&trigger_data->lock);
- ret = count;
- }
-
- return ret;
-}
-
-static DEVICE_ATTR(interval, 0644, led_interval_show, led_interval_store);
-
-static int netdev_trig_notify(struct notifier_block *nb,
- unsigned long evt,
- void *dv)
-{
- struct net_device *dev = dv;
- struct led_netdev_data *trigger_data = container_of(nb, struct led_netdev_data, notifier);
-
- if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER)
- return NOTIFY_DONE;
-
- write_lock(&trigger_data->lock);
-
- if (strcmp(dev->name, trigger_data->device_name))
- goto done;
-
- if (evt == NETDEV_REGISTER) {
- if (trigger_data->net_dev != NULL)
- dev_put(trigger_data->net_dev);
- dev_hold(dev);
- trigger_data->net_dev = dev;
- trigger_data->link_up = 0;
- goto done;
- }
-
- if (evt == NETDEV_UNREGISTER && trigger_data->net_dev != NULL) {
- dev_put(trigger_data->net_dev);
- trigger_data->net_dev = NULL;
- goto done;
- }
-
- /* UP / DOWN / CHANGE */
-
- trigger_data->link_up = (evt != NETDEV_DOWN && netif_carrier_ok(dev));
- set_baseline_state(trigger_data);
-
-done:
- write_unlock(&trigger_data->lock);
- return NOTIFY_DONE;
-}
-
-/* here's the real work! */
-static void netdev_trig_timer(unsigned long arg)
-{
- struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg;
- const struct net_device_stats *dev_stats;
- unsigned new_activity;
-
- write_lock(&trigger_data->lock);
-
- if (!trigger_data->link_up || !trigger_data->net_dev || (trigger_data->mode & (MODE_TX | MODE_RX)) == 0) {
- /* we don't need to do timer work, just reflect link state. */
- led_set_brightness(trigger_data->led_cdev, ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) ? LED_FULL : LED_OFF);
- goto no_restart;
- }
-
- dev_stats = dev_get_stats(trigger_data->net_dev);
- new_activity =
- ((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) +
- ((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0);
-
- if (trigger_data->mode & MODE_LINK) {
- /* base state is ON (link present) */
- /* if there's no link, we don't get this far and the LED is off */
-
- /* OFF -> ON always */
- /* ON -> OFF on activity */
- if (trigger_data->led_cdev->brightness == LED_OFF) {
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- } else if (trigger_data->last_activity != new_activity) {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
- }
- } else {
- /* base state is OFF */
- /* ON -> OFF always */
- /* OFF -> ON on activity */
- if (trigger_data->led_cdev->brightness == LED_FULL) {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
- } else if (trigger_data->last_activity != new_activity) {
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- }
- }
-
- trigger_data->last_activity = new_activity;
- mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
-
-no_restart:
- write_unlock(&trigger_data->lock);
-}
-
-static void netdev_trig_activate(struct led_classdev *led_cdev)
-{
- struct led_netdev_data *trigger_data;
- int rc;
-
- trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
- if (!trigger_data)
- return;
-
- rwlock_init(&trigger_data->lock);
-
- trigger_data->notifier.notifier_call = netdev_trig_notify;
- trigger_data->notifier.priority = 10;
-
- setup_timer(&trigger_data->timer, netdev_trig_timer, (unsigned long) trigger_data);
-
- trigger_data->led_cdev = led_cdev;
- trigger_data->net_dev = NULL;
- trigger_data->device_name[0] = 0;
-
- trigger_data->mode = 0;
- trigger_data->interval = msecs_to_jiffies(50);
- trigger_data->link_up = 0;
- trigger_data->last_activity = 0;
-
- led_cdev->trigger_data = trigger_data;
-
- rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
- if (rc)
- goto err_out;
- rc = device_create_file(led_cdev->dev, &dev_attr_mode);
- if (rc)
- goto err_out_device_name;
- rc = device_create_file(led_cdev->dev, &dev_attr_interval);
- if (rc)
- goto err_out_mode;
-
- register_netdevice_notifier(&trigger_data->notifier);
- return;
-
-err_out_mode:
- device_remove_file(led_cdev->dev, &dev_attr_mode);
-err_out_device_name:
- device_remove_file(led_cdev->dev, &dev_attr_device_name);
-err_out:
- led_cdev->trigger_data = NULL;
- kfree(trigger_data);
-}
-
-static void netdev_trig_deactivate(struct led_classdev *led_cdev)
-{
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- if (trigger_data) {
- unregister_netdevice_notifier(&trigger_data->notifier);
-
- device_remove_file(led_cdev->dev, &dev_attr_device_name);
- device_remove_file(led_cdev->dev, &dev_attr_mode);
- device_remove_file(led_cdev->dev, &dev_attr_interval);
-
- write_lock(&trigger_data->lock);
-
- if (trigger_data->net_dev) {
- dev_put(trigger_data->net_dev);
- trigger_data->net_dev = NULL;
- }
-
- write_unlock(&trigger_data->lock);
-
- del_timer_sync(&trigger_data->timer);
-
- kfree(trigger_data);
- }
-}
-
-static struct led_trigger netdev_led_trigger = {
- .name = "netdev",
- .activate = netdev_trig_activate,
- .deactivate = netdev_trig_deactivate,
-};
-
-static int __init netdev_trig_init(void)
-{
- return led_trigger_register(&netdev_led_trigger);
-}
-
-static void __exit netdev_trig_exit(void)
-{
- led_trigger_unregister(&netdev_led_trigger);
-}
-
-module_init(netdev_trig_init);
-module_exit(netdev_trig_exit);
-
-MODULE_AUTHOR("Oliver Jowett <oliver@opencloud.com>");
-MODULE_DESCRIPTION("Netdev LED trigger");
-MODULE_LICENSE("GPL");
+++ /dev/null
-#ifndef __GLAMO_ENGINE_H
-#define __GLAMO_ENGINE_H
-
-enum glamo_engine {
- GLAMO_ENGINE_CAPTURE = 0,
- GLAMO_ENGINE_ISP = 1,
- GLAMO_ENGINE_JPEG = 2,
- GLAMO_ENGINE_MPEG_ENC = 3,
- GLAMO_ENGINE_MPEG_DEC = 4,
- GLAMO_ENGINE_LCD = 5,
- GLAMO_ENGINE_CMDQ = 6,
- GLAMO_ENGINE_2D = 7,
- GLAMO_ENGINE_3D = 8,
- GLAMO_ENGINE_MMC = 9,
- GLAMO_ENGINE_MICROP0 = 10,
- GLAMO_ENGINE_RISC = 11,
- GLAMO_ENGINE_MICROP1_MPEG_ENC = 12,
- GLAMO_ENGINE_MICROP1_MPEG_DEC = 13,
-#if 0
- GLAMO_ENGINE_H264_DEC = 14,
- GLAMO_ENGINE_RISC1 = 15,
- GLAMO_ENGINE_SPI = 16,
-#endif
- __NUM_GLAMO_ENGINES
-};
-
-#endif
+++ /dev/null
-#ifndef _LINUX_GLAMOFB_H
-#define _LINUX_GLAMOFB_H
-
-#include <linux/fb.h>
-
-#ifdef __KERNEL__
-
-struct glamo_core;
-struct glamofb_handle;
-
-struct glamo_fb_platform_data {
- int width, height;
-
- int num_modes;
- struct fb_videomode *modes;
-
- struct glamo_core *core;
-};
-
-int glamofb_cmd_mode(struct glamofb_handle *gfb, int on);
-int glamofb_cmd_write(struct glamofb_handle *gfb, u_int16_t val);
-
-#ifdef CONFIG_MFD_GLAMO
-void glamo_lcm_reset(struct platform_device *pdev, int level);
-#else
-#define glamo_lcm_reset(...) do {} while (0)
-#endif
-
-#endif
-
-#define GLAMOFB_ENGINE_ENABLE _IOW('F', 0x1, __u32)
-#define GLAMOFB_ENGINE_DISABLE _IOW('F', 0x2, __u32)
-#define GLAMOFB_ENGINE_RESET _IOW('F', 0x3, __u32)
-
-#endif
+++ /dev/null
-/*
- * Definitions for the GPIO buttons interface driver
- *
- * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
- *
- * This file was based on: /include/linux/gpio_keys.h
- * The original gpio_keys.h seems not to have a license.
- *
- * 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.
- *
- */
-
-#ifndef _GPIO_BUTTONS_H_
-#define _GPIO_BUTTONS_H_
-
-struct gpio_button {
- int gpio; /* GPIO line number */
- int active_low;
- char *desc; /* button description */
- int type; /* input event type (EV_KEY, EV_SW) */
- int code; /* input event code (KEY_*, SW_*) */
- int count;
- int threshold; /* count threshold */
-};
-
-struct gpio_buttons_platform_data {
- struct gpio_button *buttons;
- int nbuttons; /* number of buttons */
- int poll_interval; /* polling interval */
-};
-
-#endif /* _GPIO_BUTTONS_H_ */
-
+++ /dev/null
-#ifndef _GPIODEV_H__
-#define _GPIODEV_H__
-
-#define IOC_GPIODEV_MAGIC 'B'
-#define GPIO_GET _IO(IOC_GPIODEV_MAGIC, 10)
-#define GPIO_SET _IO(IOC_GPIODEV_MAGIC, 11)
-#define GPIO_CLEAR _IO(IOC_GPIODEV_MAGIC, 12)
-#define GPIO_DIR_IN _IO(IOC_GPIODEV_MAGIC, 13)
-#define GPIO_DIR_OUT _IO(IOC_GPIODEV_MAGIC, 14)
-
-#endif
+++ /dev/null
-/*
- * character device wrapper for generic gpio layer
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
- *
- * Feedback, Bugs... blogic@openwrt.org
- *
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/gpio.h>
-#include <asm/atomic.h>
-#include <linux/init.h>
-#include <linux/genhd.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/gpio_dev.h>
-
-#define DRVNAME "gpiodev"
-#define DEVNAME "gpio"
-
-static int dev_major;
-static unsigned int gpio_access_mask;
-static struct class *gpiodev_class;
-
-/* Counter is 1, if the device is not opened and zero (or less) if opened. */
-static atomic_t gpio_open_cnt = ATOMIC_INIT(1);
-
-static int
-gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
-{
- int retval = 0;
-
- if (((1 << arg) & gpio_access_mask) != (1 << arg))
- {
- retval = -EINVAL;
- goto out;
- }
-
- switch (cmd)
- {
- case GPIO_GET:
- retval = gpio_get_value(arg);
- break;
-
- case GPIO_SET:
- gpio_set_value(arg, 1);
- break;
-
- case GPIO_CLEAR:
- gpio_set_value(arg, 0);
- break;
-
- case GPIO_DIR_IN:
- gpio_direction_input(arg);
- break;
-
- case GPIO_DIR_OUT:
- gpio_direction_output(arg, 0);
- break;
-
- default:
- retval = -EINVAL;
- break;
- }
-
-out:
- return retval;
-}
-
-static int
-gpio_open(struct inode *inode, struct file *file)
-{
- int result = 0;
- unsigned int dev_minor = MINOR(inode->i_rdev);
-
- if (dev_minor != 0)
- {
- printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor);
- result = -ENODEV;
- goto out;
- }
-
- /* FIXME: We should really allow multiple applications to open the device
- * at the same time, as long as the apps access different IO pins.
- * The generic gpio-registration functions can be used for that.
- * Two new IOCTLs have to be introduced for that. Need to check userspace
- * compatibility first. --mb */
- if (!atomic_dec_and_test(&gpio_open_cnt)) {
- atomic_inc(&gpio_open_cnt);
- printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor);
- result = -EBUSY;
- goto out;
- }
-
-out:
- return result;
-}
-
-static int
-gpio_close(struct inode * inode, struct file * file)
-{
- smp_mb__before_atomic_inc();
- atomic_inc(&gpio_open_cnt);
-
- return 0;
-}
-
-struct file_operations gpio_fops = {
- ioctl: gpio_ioctl,
- open: gpio_open,
- release: gpio_close
-};
-
-static int
-gpio_probe(struct platform_device *dev)
-{
- int result = 0;
-
- dev_major = register_chrdev(0, DEVNAME, &gpio_fops);
- if (!dev_major)
- {
- printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME);
- result = -ENODEV;
- goto out;
- }
-
- gpiodev_class = class_create(THIS_MODULE, DRVNAME);
- device_create(gpiodev_class, NULL, MKDEV(dev_major, 0), dev, DEVNAME);
-
- printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major);
-
- if (dev->num_resources != 1)
- {
- printk(KERN_ERR DRVNAME ": device may only have 1 resource\n");
- result = -ENODEV;
- goto out;
- }
-
- gpio_access_mask = dev->resource[0].start;
-
- printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask);
-out:
- return result;
-}
-
-static int
-gpio_remove(struct platform_device *dev)
-{
- unregister_chrdev(dev_major, DEVNAME);
- return 0;
-}
-
-static struct
-platform_driver gpio_driver = {
- .probe = gpio_probe,
- .remove = gpio_remove,
- .driver = {
- .name = "GPIODEV",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init
-gpio_mod_init(void)
-{
- int ret = platform_driver_register(&gpio_driver);
- if (ret)
- printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
-
- return ret;
-}
-
-static void __exit
-gpio_mod_exit(void)
-{
- platform_driver_unregister(&gpio_driver);
-}
-
-module_init (gpio_mod_init);
-module_exit (gpio_mod_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin / OpenWrt");
-MODULE_DESCRIPTION("Character device for for generic gpio api");
+++ /dev/null
-/*
- * Driver for buttons on GPIO lines not capable of generating interrupts
- *
- * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
- *
- * This file was based on: /drivers/input/misc/cobalt_btns.c
- * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
- *
- * also was based on: /drivers/input/keyboard/gpio_keys.c
- * Copyright 2005 Phil Blundell
- *
- * 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/module.h>
-#include <linux/init.h>
-
-#include <linux/input.h>
-#include <linux/input-polldev.h>
-#include <linux/ioport.h>
-#include <linux/platform_device.h>
-
-#include <linux/gpio_buttons.h>
-
-#include <asm/gpio.h>
-
-#define DRV_NAME "gpio-buttons"
-#define DRV_VERSION "0.1.1"
-#define PFX DRV_NAME ": "
-
-struct gpio_buttons_dev {
- struct input_polled_dev *poll_dev;
- struct gpio_buttons_platform_data *pdata;
-};
-
-static void gpio_buttons_poll(struct input_polled_dev *dev)
-{
- struct gpio_buttons_dev *bdev = dev->private;
- struct gpio_buttons_platform_data *pdata = bdev->pdata;
- struct input_dev *input = dev->input;
- int i;
-
- for (i = 0; i < bdev->pdata->nbuttons; i++) {
- struct gpio_button *button = &pdata->buttons[i];
- unsigned int type = button->type ?: EV_KEY;
- int state;
-
- state = gpio_get_value(button->gpio) ? 1 : 0;
- state ^= button->active_low;
-
- if (state) {
- button->count++;
- } else {
- if (button->count >= button->threshold) {
- input_event(input, type, button->code, 1);
- input_sync(input);
- }
- button->count = 0;
- }
-
- if (button->count == button->threshold) {
- input_event(input, type, button->code, 0);
- input_sync(input);
- }
- }
-}
-
-static int __devinit gpio_buttons_probe(struct platform_device *pdev)
-{
- struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data;
- struct gpio_buttons_dev *bdev;
- struct input_polled_dev *poll_dev;
- struct input_dev *input;
- int error, i;
-
-
- if (!pdata)
- return -ENXIO;
-
- bdev = kzalloc(sizeof(*bdev), GFP_KERNEL);
- if (!bdev) {
- printk(KERN_ERR DRV_NAME "no memory for device\n");
- return -ENOMEM;
- }
-
- poll_dev = input_allocate_polled_device();
- if (!poll_dev) {
- printk(KERN_ERR DRV_NAME "no memory for polled device\n");
- error = -ENOMEM;
- goto err_free_bdev;
- }
-
- poll_dev->private = bdev;
- poll_dev->poll = gpio_buttons_poll;
- poll_dev->poll_interval = pdata->poll_interval;
-
- input = poll_dev->input;
-
- input->evbit[0] = BIT(EV_KEY);
- input->name = pdev->name;
- input->phys = "gpio-buttons/input0";
- input->dev.parent = &pdev->dev;
-
- input->id.bustype = BUS_HOST;
- input->id.vendor = 0x0001;
- input->id.product = 0x0001;
- input->id.version = 0x0100;
-
- for (i = 0; i < pdata->nbuttons; i++) {
- struct gpio_button *button = &pdata->buttons[i];
- unsigned int gpio = button->gpio;
- unsigned int type = button->type ?: EV_KEY;
-
- error = gpio_request(gpio, button->desc ?
- button->desc : DRV_NAME);
- if (error) {
- printk(KERN_ERR PFX "unable to claim gpio %u, "
- "error %d\n", gpio, error);
- goto err_free_gpio;
- }
-
- error = gpio_direction_input(gpio);
- if (error) {
- printk(KERN_ERR PFX "unable to set direction on "
- "gpio %u, error %d\n", gpio, error);
- goto err_free_gpio;
- }
-
- input_set_capability(input, type, button->code);
- button->count = 0;
- }
-
- bdev->poll_dev = poll_dev;
- bdev->pdata = pdata;
- platform_set_drvdata(pdev, bdev);
-
- error = input_register_polled_device(poll_dev);
- if (error) {
- printk(KERN_ERR PFX "unable to register polled device, "
- "error %d\n", error);
- goto err_free_gpio;
- }
-
- return 0;
-
-err_free_gpio:
- for (i = i - 1; i >= 0; i--)
- gpio_free(pdata->buttons[i].gpio);
-
- input_free_polled_device(poll_dev);
-
-err_free_bdev:
- kfree(bdev);
-
- platform_set_drvdata(pdev, NULL);
- return error;
-}
-
-static int __devexit gpio_buttons_remove(struct platform_device *pdev)
-{
- struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev);
- struct gpio_buttons_platform_data *pdata = bdev->pdata;
- int i;
-
- input_unregister_polled_device(bdev->poll_dev);
-
- for (i = 0; i < pdata->nbuttons; i++)
- gpio_free(pdata->buttons[i].gpio);
-
- input_free_polled_device(bdev->poll_dev);
-
- kfree(bdev);
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-static struct platform_driver gpio_buttons_driver = {
- .probe = gpio_buttons_probe,
- .remove = __devexit_p(gpio_buttons_remove),
- .driver = {
- .name = DRV_NAME,
- .owner = THIS_MODULE,
- },
-};
-
-static int __init gpio_buttons_init(void)
-{
- printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n");
- return platform_driver_register(&gpio_buttons_driver);
-}
-
-static void __exit gpio_buttons_exit(void)
-{
- platform_driver_unregister(&gpio_buttons_driver);
-}
-
-module_init(gpio_buttons_init);
-module_exit(gpio_buttons_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
-MODULE_VERSION(DRV_VERSION);
-MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs");
-
+++ /dev/null
-/*
- * 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");
+++ /dev/null
-/*
- * LED Kernel Netdev Trigger
- *
- * Toggles the LED to reflect the link and traffic state of a named net device
- *
- * Copyright 2007 Oliver Jowett <oliver@opencloud.com>
- *
- * Derived from ledtrig-timer.c which is:
- * Copyright 2005-2006 Openedhand Ltd.
- * Author: Richard Purdie <rpurdie@openedhand.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/module.h>
-#include <linux/jiffies.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/device.h>
-#include <linux/sysdev.h>
-#include <linux/netdevice.h>
-#include <linux/timer.h>
-#include <linux/ctype.h>
-#include <linux/leds.h>
-#include <linux/version.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
-#include <net/net_namespace.h>
-#endif
-
-#include "leds.h"
-
-/*
- * Configurable sysfs attributes:
- *
- * device_name - network device name to monitor
- *
- * interval - duration of LED blink, in milliseconds
- *
- * mode - either "none" (LED is off) or a space separated list of one or more of:
- * link: LED's normal state reflects whether the link is up (has carrier) or not
- * tx: LED blinks on transmitted data
- * rx: LED blinks on receive data
- *
- * Some suggestions:
- *
- * Simple link status LED:
- * $ echo netdev >someled/trigger
- * $ echo eth0 >someled/device_name
- * $ echo link >someled/mode
- *
- * Ethernet-style link/activity LED:
- * $ echo netdev >someled/trigger
- * $ echo eth0 >someled/device_name
- * $ echo "link tx rx" >someled/mode
- *
- * Modem-style tx/rx LEDs:
- * $ echo netdev >led1/trigger
- * $ echo ppp0 >led1/device_name
- * $ echo tx >led1/mode
- * $ echo netdev >led2/trigger
- * $ echo ppp0 >led2/device_name
- * $ echo rx >led2/mode
- *
- */
-
-#define MODE_LINK 1
-#define MODE_TX 2
-#define MODE_RX 4
-
-struct led_netdev_data {
- rwlock_t lock;
-
- struct timer_list timer;
- struct notifier_block notifier;
-
- struct led_classdev *led_cdev;
- struct net_device *net_dev;
-
- char device_name[IFNAMSIZ];
- unsigned interval;
- unsigned mode;
- unsigned link_up;
- unsigned last_activity;
-};
-
-static void set_baseline_state(struct led_netdev_data *trigger_data)
-{
- if ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up)
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- else
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
-
- if ((trigger_data->mode & (MODE_TX | MODE_RX)) != 0 && trigger_data->link_up)
- mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
- else
- del_timer(&trigger_data->timer);
-}
-
-static ssize_t led_device_name_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
- sprintf(buf, "%s\n", trigger_data->device_name);
- read_unlock(&trigger_data->lock);
-
- return strlen(buf) + 1;
-}
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-extern struct net init_net;
-#endif
-
-static ssize_t led_device_name_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- if (size < 0 || size >= IFNAMSIZ)
- return -EINVAL;
-
- write_lock(&trigger_data->lock);
-
- strcpy(trigger_data->device_name, buf);
- if (size > 0 && trigger_data->device_name[size-1] == '\n')
- trigger_data->device_name[size-1] = 0;
-
- if (trigger_data->device_name[0] != 0) {
- /* check for existing device to update from */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
- trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name);
-#else
- trigger_data->net_dev = dev_get_by_name(trigger_data->device_name);
-#endif
- if (trigger_data->net_dev != NULL)
- trigger_data->link_up = (dev_get_flags(trigger_data->net_dev) & IFF_LOWER_UP) != 0;
- set_baseline_state(trigger_data); /* updates LEDs, may start timers */
- }
-
- write_unlock(&trigger_data->lock);
- return size;
-}
-
-static DEVICE_ATTR(device_name, 0644, led_device_name_show, led_device_name_store);
-
-static ssize_t led_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
-
- if (trigger_data->mode == 0) {
- strcpy(buf, "none\n");
- } else {
- if (trigger_data->mode & MODE_LINK)
- strcat(buf, "link ");
- if (trigger_data->mode & MODE_TX)
- strcat(buf, "tx ");
- if (trigger_data->mode & MODE_RX)
- strcat(buf, "rx ");
- strcat(buf, "\n");
- }
-
- read_unlock(&trigger_data->lock);
-
- return strlen(buf)+1;
-}
-
-static ssize_t led_mode_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
- char copybuf[1024];
- int new_mode = -1;
- char *p, *token;
-
- /* take a copy since we don't want to trash the inbound buffer when using strsep */
- strncpy(copybuf, buf, sizeof(copybuf));
- copybuf[1023] = 0;
- p = copybuf;
-
- while ((token = strsep(&p, " \t\n")) != NULL) {
- if (!*token)
- continue;
-
- if (new_mode == -1)
- new_mode = 0;
-
- if (!strcmp(token, "none"))
- new_mode = 0;
- else if (!strcmp(token, "tx"))
- new_mode |= MODE_TX;
- else if (!strcmp(token, "rx"))
- new_mode |= MODE_RX;
- else if (!strcmp(token, "link"))
- new_mode |= MODE_LINK;
- else
- return -EINVAL;
- }
-
- if (new_mode == -1)
- return -EINVAL;
-
- write_lock(&trigger_data->lock);
- trigger_data->mode = new_mode;
- set_baseline_state(trigger_data);
- write_unlock(&trigger_data->lock);
-
- return size;
-}
-
-static DEVICE_ATTR(mode, 0644, led_mode_show, led_mode_store);
-
-static ssize_t led_interval_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
- sprintf(buf, "%u\n", jiffies_to_msecs(trigger_data->interval));
- read_unlock(&trigger_data->lock);
-
- return strlen(buf) + 1;
-}
-
-static ssize_t led_interval_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
- int ret = -EINVAL;
- char *after;
- unsigned long value = simple_strtoul(buf, &after, 10);
- size_t count = after - buf;
-
- if (*after && isspace(*after))
- count++;
-
- /* impose some basic bounds on the timer interval */
- if (count == size && value >= 5 && value <= 10000) {
- write_lock(&trigger_data->lock);
- trigger_data->interval = msecs_to_jiffies(value);
- set_baseline_state(trigger_data); // resets timer
- write_unlock(&trigger_data->lock);
- ret = count;
- }
-
- return ret;
-}
-
-static DEVICE_ATTR(interval, 0644, led_interval_show, led_interval_store);
-
-static int netdev_trig_notify(struct notifier_block *nb,
- unsigned long evt,
- void *dv)
-{
- struct net_device *dev = dv;
- struct led_netdev_data *trigger_data = container_of(nb, struct led_netdev_data, notifier);
-
- if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER)
- return NOTIFY_DONE;
-
- write_lock(&trigger_data->lock);
-
- if (strcmp(dev->name, trigger_data->device_name))
- goto done;
-
- if (evt == NETDEV_REGISTER) {
- if (trigger_data->net_dev != NULL)
- dev_put(trigger_data->net_dev);
- dev_hold(dev);
- trigger_data->net_dev = dev;
- trigger_data->link_up = 0;
- goto done;
- }
-
- if (evt == NETDEV_UNREGISTER && trigger_data->net_dev != NULL) {
- dev_put(trigger_data->net_dev);
- trigger_data->net_dev = NULL;
- goto done;
- }
-
- /* UP / DOWN / CHANGE */
-
- trigger_data->link_up = (evt != NETDEV_DOWN && netif_carrier_ok(dev));
- set_baseline_state(trigger_data);
-
-done:
- write_unlock(&trigger_data->lock);
- return NOTIFY_DONE;
-}
-
-/* here's the real work! */
-static void netdev_trig_timer(unsigned long arg)
-{
- struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg;
- const struct net_device_stats *dev_stats;
- unsigned new_activity;
-
- write_lock(&trigger_data->lock);
-
- if (!trigger_data->link_up || !trigger_data->net_dev || (trigger_data->mode & (MODE_TX | MODE_RX)) == 0) {
- /* we don't need to do timer work, just reflect link state. */
- led_set_brightness(trigger_data->led_cdev, ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) ? LED_FULL : LED_OFF);
- goto no_restart;
- }
-
- dev_stats = dev_get_stats(trigger_data->net_dev);
- new_activity =
- ((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) +
- ((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0);
-
- if (trigger_data->mode & MODE_LINK) {
- /* base state is ON (link present) */
- /* if there's no link, we don't get this far and the LED is off */
-
- /* OFF -> ON always */
- /* ON -> OFF on activity */
- if (trigger_data->led_cdev->brightness == LED_OFF) {
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- } else if (trigger_data->last_activity != new_activity) {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
- }
- } else {
- /* base state is OFF */
- /* ON -> OFF always */
- /* OFF -> ON on activity */
- if (trigger_data->led_cdev->brightness == LED_FULL) {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
- } else if (trigger_data->last_activity != new_activity) {
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- }
- }
-
- trigger_data->last_activity = new_activity;
- mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
-
-no_restart:
- write_unlock(&trigger_data->lock);
-}
-
-static void netdev_trig_activate(struct led_classdev *led_cdev)
-{
- struct led_netdev_data *trigger_data;
- int rc;
-
- trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
- if (!trigger_data)
- return;
-
- rwlock_init(&trigger_data->lock);
-
- trigger_data->notifier.notifier_call = netdev_trig_notify;
- trigger_data->notifier.priority = 10;
-
- setup_timer(&trigger_data->timer, netdev_trig_timer, (unsigned long) trigger_data);
-
- trigger_data->led_cdev = led_cdev;
- trigger_data->net_dev = NULL;
- trigger_data->device_name[0] = 0;
-
- trigger_data->mode = 0;
- trigger_data->interval = msecs_to_jiffies(50);
- trigger_data->link_up = 0;
- trigger_data->last_activity = 0;
-
- led_cdev->trigger_data = trigger_data;
-
- rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
- if (rc)
- goto err_out;
- rc = device_create_file(led_cdev->dev, &dev_attr_mode);
- if (rc)
- goto err_out_device_name;
- rc = device_create_file(led_cdev->dev, &dev_attr_interval);
- if (rc)
- goto err_out_mode;
-
- register_netdevice_notifier(&trigger_data->notifier);
- return;
-
-err_out_mode:
- device_remove_file(led_cdev->dev, &dev_attr_mode);
-err_out_device_name:
- device_remove_file(led_cdev->dev, &dev_attr_device_name);
-err_out:
- led_cdev->trigger_data = NULL;
- kfree(trigger_data);
-}
-
-static void netdev_trig_deactivate(struct led_classdev *led_cdev)
-{
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- if (trigger_data) {
- unregister_netdevice_notifier(&trigger_data->notifier);
-
- device_remove_file(led_cdev->dev, &dev_attr_device_name);
- device_remove_file(led_cdev->dev, &dev_attr_mode);
- device_remove_file(led_cdev->dev, &dev_attr_interval);
-
- write_lock(&trigger_data->lock);
-
- if (trigger_data->net_dev) {
- dev_put(trigger_data->net_dev);
- trigger_data->net_dev = NULL;
- }
-
- write_unlock(&trigger_data->lock);
-
- del_timer_sync(&trigger_data->timer);
-
- kfree(trigger_data);
- }
-}
-
-static struct led_trigger netdev_led_trigger = {
- .name = "netdev",
- .activate = netdev_trig_activate,
- .deactivate = netdev_trig_deactivate,
-};
-
-static int __init netdev_trig_init(void)
-{
- return led_trigger_register(&netdev_led_trigger);
-}
-
-static void __exit netdev_trig_exit(void)
-{
- led_trigger_unregister(&netdev_led_trigger);
-}
-
-module_init(netdev_trig_init);
-module_exit(netdev_trig_exit);
-
-MODULE_AUTHOR("Oliver Jowett <oliver@opencloud.com>");
-MODULE_DESCRIPTION("Netdev LED trigger");
-MODULE_LICENSE("GPL");
+++ /dev/null
-#ifndef __GLAMO_ENGINE_H
-#define __GLAMO_ENGINE_H
-
-enum glamo_engine {
- GLAMO_ENGINE_CAPTURE = 0,
- GLAMO_ENGINE_ISP = 1,
- GLAMO_ENGINE_JPEG = 2,
- GLAMO_ENGINE_MPEG_ENC = 3,
- GLAMO_ENGINE_MPEG_DEC = 4,
- GLAMO_ENGINE_LCD = 5,
- GLAMO_ENGINE_CMDQ = 6,
- GLAMO_ENGINE_2D = 7,
- GLAMO_ENGINE_3D = 8,
- GLAMO_ENGINE_MMC = 9,
- GLAMO_ENGINE_MICROP0 = 10,
- GLAMO_ENGINE_RISC = 11,
- GLAMO_ENGINE_MICROP1_MPEG_ENC = 12,
- GLAMO_ENGINE_MICROP1_MPEG_DEC = 13,
-#if 0
- GLAMO_ENGINE_H264_DEC = 14,
- GLAMO_ENGINE_RISC1 = 15,
- GLAMO_ENGINE_SPI = 16,
-#endif
- __NUM_GLAMO_ENGINES
-};
-
-#endif
+++ /dev/null
-#ifndef _LINUX_GLAMOFB_H
-#define _LINUX_GLAMOFB_H
-
-#include <linux/fb.h>
-
-#ifdef __KERNEL__
-
-struct glamo_core;
-struct glamofb_handle;
-
-struct glamo_fb_platform_data {
- int width, height;
-
- int num_modes;
- struct fb_videomode *modes;
-
- struct glamo_core *core;
-};
-
-int glamofb_cmd_mode(struct glamofb_handle *gfb, int on);
-int glamofb_cmd_write(struct glamofb_handle *gfb, u_int16_t val);
-
-#ifdef CONFIG_MFD_GLAMO
-void glamo_lcm_reset(struct platform_device *pdev, int level);
-#else
-#define glamo_lcm_reset(...) do {} while (0)
-#endif
-
-#endif
-
-#define GLAMOFB_ENGINE_ENABLE _IOW('F', 0x1, __u32)
-#define GLAMOFB_ENGINE_DISABLE _IOW('F', 0x2, __u32)
-#define GLAMOFB_ENGINE_RESET _IOW('F', 0x3, __u32)
-
-#endif
+++ /dev/null
-/*
- * Definitions for the GPIO buttons interface driver
- *
- * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
- *
- * This file was based on: /include/linux/gpio_keys.h
- * The original gpio_keys.h seems not to have a license.
- *
- * 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.
- *
- */
-
-#ifndef _GPIO_BUTTONS_H_
-#define _GPIO_BUTTONS_H_
-
-struct gpio_button {
- int gpio; /* GPIO line number */
- int active_low;
- char *desc; /* button description */
- int type; /* input event type (EV_KEY, EV_SW) */
- int code; /* input event code (KEY_*, SW_*) */
- int count;
- int threshold; /* count threshold */
-};
-
-struct gpio_buttons_platform_data {
- struct gpio_button *buttons;
- int nbuttons; /* number of buttons */
- int poll_interval; /* polling interval */
-};
-
-#endif /* _GPIO_BUTTONS_H_ */
-
+++ /dev/null
-#ifndef _GPIODEV_H__
-#define _GPIODEV_H__
-
-#define IOC_GPIODEV_MAGIC 'B'
-#define GPIO_GET _IO(IOC_GPIODEV_MAGIC, 10)
-#define GPIO_SET _IO(IOC_GPIODEV_MAGIC, 11)
-#define GPIO_CLEAR _IO(IOC_GPIODEV_MAGIC, 12)
-#define GPIO_DIR_IN _IO(IOC_GPIODEV_MAGIC, 13)
-#define GPIO_DIR_OUT _IO(IOC_GPIODEV_MAGIC, 14)
-
-#endif
--- /dev/null
+/*
+ * character device wrapper for generic gpio layer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
+ *
+ * Feedback, Bugs... blogic@openwrt.org
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/atomic.h>
+#include <linux/init.h>
+#include <linux/genhd.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio_dev.h>
+
+#define DRVNAME "gpiodev"
+#define DEVNAME "gpio"
+
+static int dev_major;
+static unsigned int gpio_access_mask;
+static struct class *gpiodev_class;
+
+/* Counter is 1, if the device is not opened and zero (or less) if opened. */
+static atomic_t gpio_open_cnt = ATOMIC_INIT(1);
+
+static int
+gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
+{
+ int retval = 0;
+
+ if (((1 << arg) & gpio_access_mask) != (1 << arg))
+ {
+ retval = -EINVAL;
+ goto out;
+ }
+
+ switch (cmd)
+ {
+ case GPIO_GET:
+ retval = gpio_get_value(arg);
+ break;
+
+ case GPIO_SET:
+ gpio_set_value(arg, 1);
+ break;
+
+ case GPIO_CLEAR:
+ gpio_set_value(arg, 0);
+ break;
+
+ case GPIO_DIR_IN:
+ gpio_direction_input(arg);
+ break;
+
+ case GPIO_DIR_OUT:
+ gpio_direction_output(arg, 0);
+ break;
+
+ default:
+ retval = -EINVAL;
+ break;
+ }
+
+out:
+ return retval;
+}
+
+static int
+gpio_open(struct inode *inode, struct file *file)
+{
+ int result = 0;
+ unsigned int dev_minor = MINOR(inode->i_rdev);
+
+ if (dev_minor != 0)
+ {
+ printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor);
+ result = -ENODEV;
+ goto out;
+ }
+
+ /* FIXME: We should really allow multiple applications to open the device
+ * at the same time, as long as the apps access different IO pins.
+ * The generic gpio-registration functions can be used for that.
+ * Two new IOCTLs have to be introduced for that. Need to check userspace
+ * compatibility first. --mb */
+ if (!atomic_dec_and_test(&gpio_open_cnt)) {
+ atomic_inc(&gpio_open_cnt);
+ printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor);
+ result = -EBUSY;
+ goto out;
+ }
+
+out:
+ return result;
+}
+
+static int
+gpio_close(struct inode * inode, struct file * file)
+{
+ smp_mb__before_atomic_inc();
+ atomic_inc(&gpio_open_cnt);
+
+ return 0;
+}
+
+struct file_operations gpio_fops = {
+ ioctl: gpio_ioctl,
+ open: gpio_open,
+ release: gpio_close
+};
+
+static int
+gpio_probe(struct platform_device *dev)
+{
+ int result = 0;
+
+ dev_major = register_chrdev(0, DEVNAME, &gpio_fops);
+ if (!dev_major)
+ {
+ printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME);
+ result = -ENODEV;
+ goto out;
+ }
+
+ gpiodev_class = class_create(THIS_MODULE, DRVNAME);
+ device_create(gpiodev_class, NULL, MKDEV(dev_major, 0), dev, DEVNAME);
+
+ printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major);
+
+ if (dev->num_resources != 1)
+ {
+ printk(KERN_ERR DRVNAME ": device may only have 1 resource\n");
+ result = -ENODEV;
+ goto out;
+ }
+
+ gpio_access_mask = dev->resource[0].start;
+
+ printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask);
+out:
+ return result;
+}
+
+static int
+gpio_remove(struct platform_device *dev)
+{
+ unregister_chrdev(dev_major, DEVNAME);
+ return 0;
+}
+
+static struct
+platform_driver gpio_driver = {
+ .probe = gpio_probe,
+ .remove = gpio_remove,
+ .driver = {
+ .name = "GPIODEV",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init
+gpio_mod_init(void)
+{
+ int ret = platform_driver_register(&gpio_driver);
+ if (ret)
+ printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
+
+ return ret;
+}
+
+static void __exit
+gpio_mod_exit(void)
+{
+ platform_driver_unregister(&gpio_driver);
+}
+
+module_init (gpio_mod_init);
+module_exit (gpio_mod_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin / OpenWrt");
+MODULE_DESCRIPTION("Character device for for generic gpio api");
--- /dev/null
+/*
+ * Driver for buttons on GPIO lines not capable of generating interrupts
+ *
+ * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was based on: /drivers/input/misc/cobalt_btns.c
+ * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ * also was based on: /drivers/input/keyboard/gpio_keys.c
+ * Copyright 2005 Phil Blundell
+ *
+ * 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/module.h>
+#include <linux/init.h>
+
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+
+#include <linux/gpio_buttons.h>
+
+#include <asm/gpio.h>
+
+#define DRV_NAME "gpio-buttons"
+#define DRV_VERSION "0.1.1"
+#define PFX DRV_NAME ": "
+
+struct gpio_buttons_dev {
+ struct input_polled_dev *poll_dev;
+ struct gpio_buttons_platform_data *pdata;
+};
+
+static void gpio_buttons_poll(struct input_polled_dev *dev)
+{
+ struct gpio_buttons_dev *bdev = dev->private;
+ struct gpio_buttons_platform_data *pdata = bdev->pdata;
+ struct input_dev *input = dev->input;
+ int i;
+
+ for (i = 0; i < bdev->pdata->nbuttons; i++) {
+ struct gpio_button *button = &pdata->buttons[i];
+ unsigned int type = button->type ?: EV_KEY;
+ int state;
+
+ state = gpio_get_value(button->gpio) ? 1 : 0;
+ state ^= button->active_low;
+
+ if (state) {
+ button->count++;
+ } else {
+ if (button->count >= button->threshold) {
+ input_event(input, type, button->code, 1);
+ input_sync(input);
+ }
+ button->count = 0;
+ }
+
+ if (button->count == button->threshold) {
+ input_event(input, type, button->code, 0);
+ input_sync(input);
+ }
+ }
+}
+
+static int __devinit gpio_buttons_probe(struct platform_device *pdev)
+{
+ struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data;
+ struct gpio_buttons_dev *bdev;
+ struct input_polled_dev *poll_dev;
+ struct input_dev *input;
+ int error, i;
+
+
+ if (!pdata)
+ return -ENXIO;
+
+ bdev = kzalloc(sizeof(*bdev), GFP_KERNEL);
+ if (!bdev) {
+ printk(KERN_ERR DRV_NAME "no memory for device\n");
+ return -ENOMEM;
+ }
+
+ poll_dev = input_allocate_polled_device();
+ if (!poll_dev) {
+ printk(KERN_ERR DRV_NAME "no memory for polled device\n");
+ error = -ENOMEM;
+ goto err_free_bdev;
+ }
+
+ poll_dev->private = bdev;
+ poll_dev->poll = gpio_buttons_poll;
+ poll_dev->poll_interval = pdata->poll_interval;
+
+ input = poll_dev->input;
+
+ input->evbit[0] = BIT(EV_KEY);
+ input->name = pdev->name;
+ input->phys = "gpio-buttons/input0";
+ input->dev.parent = &pdev->dev;
+
+ input->id.bustype = BUS_HOST;
+ input->id.vendor = 0x0001;
+ input->id.product = 0x0001;
+ input->id.version = 0x0100;
+
+ for (i = 0; i < pdata->nbuttons; i++) {
+ struct gpio_button *button = &pdata->buttons[i];
+ unsigned int gpio = button->gpio;
+ unsigned int type = button->type ?: EV_KEY;
+
+ error = gpio_request(gpio, button->desc ?
+ button->desc : DRV_NAME);
+ if (error) {
+ printk(KERN_ERR PFX "unable to claim gpio %u, "
+ "error %d\n", gpio, error);
+ goto err_free_gpio;
+ }
+
+ error = gpio_direction_input(gpio);
+ if (error) {
+ printk(KERN_ERR PFX "unable to set direction on "
+ "gpio %u, error %d\n", gpio, error);
+ goto err_free_gpio;
+ }
+
+ input_set_capability(input, type, button->code);
+ button->count = 0;
+ }
+
+ bdev->poll_dev = poll_dev;
+ bdev->pdata = pdata;
+ platform_set_drvdata(pdev, bdev);
+
+ error = input_register_polled_device(poll_dev);
+ if (error) {
+ printk(KERN_ERR PFX "unable to register polled device, "
+ "error %d\n", error);
+ goto err_free_gpio;
+ }
+
+ return 0;
+
+err_free_gpio:
+ for (i = i - 1; i >= 0; i--)
+ gpio_free(pdata->buttons[i].gpio);
+
+ input_free_polled_device(poll_dev);
+
+err_free_bdev:
+ kfree(bdev);
+
+ platform_set_drvdata(pdev, NULL);
+ return error;
+}
+
+static int __devexit gpio_buttons_remove(struct platform_device *pdev)
+{
+ struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev);
+ struct gpio_buttons_platform_data *pdata = bdev->pdata;
+ int i;
+
+ input_unregister_polled_device(bdev->poll_dev);
+
+ for (i = 0; i < pdata->nbuttons; i++)
+ gpio_free(pdata->buttons[i].gpio);
+
+ input_free_polled_device(bdev->poll_dev);
+
+ kfree(bdev);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver gpio_buttons_driver = {
+ .probe = gpio_buttons_probe,
+ .remove = __devexit_p(gpio_buttons_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init gpio_buttons_init(void)
+{
+ printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n");
+ return platform_driver_register(&gpio_buttons_driver);
+}
+
+static void __exit gpio_buttons_exit(void)
+{
+ platform_driver_unregister(&gpio_buttons_driver);
+}
+
+module_init(gpio_buttons_init);
+module_exit(gpio_buttons_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs");
+
--- /dev/null
+/*
+ * 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");
--- /dev/null
+/*
+ * LED Kernel Netdev Trigger
+ *
+ * Toggles the LED to reflect the link and traffic state of a named net device
+ *
+ * Copyright 2007 Oliver Jowett <oliver@opencloud.com>
+ *
+ * Derived from ledtrig-timer.c which is:
+ * Copyright 2005-2006 Openedhand Ltd.
+ * Author: Richard Purdie <rpurdie@openedhand.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/module.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/sysdev.h>
+#include <linux/netdevice.h>
+#include <linux/timer.h>
+#include <linux/ctype.h>
+#include <linux/leds.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#include <net/net_namespace.h>
+#endif
+
+#include "leds.h"
+
+/*
+ * Configurable sysfs attributes:
+ *
+ * device_name - network device name to monitor
+ *
+ * interval - duration of LED blink, in milliseconds
+ *
+ * mode - either "none" (LED is off) or a space separated list of one or more of:
+ * link: LED's normal state reflects whether the link is up (has carrier) or not
+ * tx: LED blinks on transmitted data
+ * rx: LED blinks on receive data
+ *
+ * Some suggestions:
+ *
+ * Simple link status LED:
+ * $ echo netdev >someled/trigger
+ * $ echo eth0 >someled/device_name
+ * $ echo link >someled/mode
+ *
+ * Ethernet-style link/activity LED:
+ * $ echo netdev >someled/trigger
+ * $ echo eth0 >someled/device_name
+ * $ echo "link tx rx" >someled/mode
+ *
+ * Modem-style tx/rx LEDs:
+ * $ echo netdev >led1/trigger
+ * $ echo ppp0 >led1/device_name
+ * $ echo tx >led1/mode
+ * $ echo netdev >led2/trigger
+ * $ echo ppp0 >led2/device_name
+ * $ echo rx >led2/mode
+ *
+ */
+
+#define MODE_LINK 1
+#define MODE_TX 2
+#define MODE_RX 4
+
+struct led_netdev_data {
+ rwlock_t lock;
+
+ struct timer_list timer;
+ struct notifier_block notifier;
+
+ struct led_classdev *led_cdev;
+ struct net_device *net_dev;
+
+ char device_name[IFNAMSIZ];
+ unsigned interval;
+ unsigned mode;
+ unsigned link_up;
+ unsigned last_activity;
+};
+
+static void set_baseline_state(struct led_netdev_data *trigger_data)
+{
+ if ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up)
+ led_set_brightness(trigger_data->led_cdev, LED_FULL);
+ else
+ led_set_brightness(trigger_data->led_cdev, LED_OFF);
+
+ if ((trigger_data->mode & (MODE_TX | MODE_RX)) != 0 && trigger_data->link_up)
+ mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
+ else
+ del_timer(&trigger_data->timer);
+}
+
+static ssize_t led_device_name_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ read_lock(&trigger_data->lock);
+ sprintf(buf, "%s\n", trigger_data->device_name);
+ read_unlock(&trigger_data->lock);
+
+ return strlen(buf) + 1;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
+extern struct net init_net;
+#endif
+
+static ssize_t led_device_name_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ if (size < 0 || size >= IFNAMSIZ)
+ return -EINVAL;
+
+ write_lock(&trigger_data->lock);
+
+ strcpy(trigger_data->device_name, buf);
+ if (size > 0 && trigger_data->device_name[size-1] == '\n')
+ trigger_data->device_name[size-1] = 0;
+
+ if (trigger_data->device_name[0] != 0) {
+ /* check for existing device to update from */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+ trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name);
+#else
+ trigger_data->net_dev = dev_get_by_name(trigger_data->device_name);
+#endif
+ if (trigger_data->net_dev != NULL)
+ trigger_data->link_up = (dev_get_flags(trigger_data->net_dev) & IFF_LOWER_UP) != 0;
+ set_baseline_state(trigger_data); /* updates LEDs, may start timers */
+ }
+
+ write_unlock(&trigger_data->lock);
+ return size;
+}
+
+static DEVICE_ATTR(device_name, 0644, led_device_name_show, led_device_name_store);
+
+static ssize_t led_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ read_lock(&trigger_data->lock);
+
+ if (trigger_data->mode == 0) {
+ strcpy(buf, "none\n");
+ } else {
+ if (trigger_data->mode & MODE_LINK)
+ strcat(buf, "link ");
+ if (trigger_data->mode & MODE_TX)
+ strcat(buf, "tx ");
+ if (trigger_data->mode & MODE_RX)
+ strcat(buf, "rx ");
+ strcat(buf, "\n");
+ }
+
+ read_unlock(&trigger_data->lock);
+
+ return strlen(buf)+1;
+}
+
+static ssize_t led_mode_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+ char copybuf[1024];
+ int new_mode = -1;
+ char *p, *token;
+
+ /* take a copy since we don't want to trash the inbound buffer when using strsep */
+ strncpy(copybuf, buf, sizeof(copybuf));
+ copybuf[1023] = 0;
+ p = copybuf;
+
+ while ((token = strsep(&p, " \t\n")) != NULL) {
+ if (!*token)
+ continue;
+
+ if (new_mode == -1)
+ new_mode = 0;
+
+ if (!strcmp(token, "none"))
+ new_mode = 0;
+ else if (!strcmp(token, "tx"))
+ new_mode |= MODE_TX;
+ else if (!strcmp(token, "rx"))
+ new_mode |= MODE_RX;
+ else if (!strcmp(token, "link"))
+ new_mode |= MODE_LINK;
+ else
+ return -EINVAL;
+ }
+
+ if (new_mode == -1)
+ return -EINVAL;
+
+ write_lock(&trigger_data->lock);
+ trigger_data->mode = new_mode;
+ set_baseline_state(trigger_data);
+ write_unlock(&trigger_data->lock);
+
+ return size;
+}
+
+static DEVICE_ATTR(mode, 0644, led_mode_show, led_mode_store);
+
+static ssize_t led_interval_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ read_lock(&trigger_data->lock);
+ sprintf(buf, "%u\n", jiffies_to_msecs(trigger_data->interval));
+ read_unlock(&trigger_data->lock);
+
+ return strlen(buf) + 1;
+}
+
+static ssize_t led_interval_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+ int ret = -EINVAL;
+ char *after;
+ unsigned long value = simple_strtoul(buf, &after, 10);
+ size_t count = after - buf;
+
+ if (*after && isspace(*after))
+ count++;
+
+ /* impose some basic bounds on the timer interval */
+ if (count == size && value >= 5 && value <= 10000) {
+ write_lock(&trigger_data->lock);
+ trigger_data->interval = msecs_to_jiffies(value);
+ set_baseline_state(trigger_data); // resets timer
+ write_unlock(&trigger_data->lock);
+ ret = count;
+ }
+
+ return ret;
+}
+
+static DEVICE_ATTR(interval, 0644, led_interval_show, led_interval_store);
+
+static int netdev_trig_notify(struct notifier_block *nb,
+ unsigned long evt,
+ void *dv)
+{
+ struct net_device *dev = dv;
+ struct led_netdev_data *trigger_data = container_of(nb, struct led_netdev_data, notifier);
+
+ if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER)
+ return NOTIFY_DONE;
+
+ write_lock(&trigger_data->lock);
+
+ if (strcmp(dev->name, trigger_data->device_name))
+ goto done;
+
+ if (evt == NETDEV_REGISTER) {
+ if (trigger_data->net_dev != NULL)
+ dev_put(trigger_data->net_dev);
+ dev_hold(dev);
+ trigger_data->net_dev = dev;
+ trigger_data->link_up = 0;
+ goto done;
+ }
+
+ if (evt == NETDEV_UNREGISTER && trigger_data->net_dev != NULL) {
+ dev_put(trigger_data->net_dev);
+ trigger_data->net_dev = NULL;
+ goto done;
+ }
+
+ /* UP / DOWN / CHANGE */
+
+ trigger_data->link_up = (evt != NETDEV_DOWN && netif_carrier_ok(dev));
+ set_baseline_state(trigger_data);
+
+done:
+ write_unlock(&trigger_data->lock);
+ return NOTIFY_DONE;
+}
+
+/* here's the real work! */
+static void netdev_trig_timer(unsigned long arg)
+{
+ struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg;
+ const struct net_device_stats *dev_stats;
+ unsigned new_activity;
+
+ write_lock(&trigger_data->lock);
+
+ if (!trigger_data->link_up || !trigger_data->net_dev || (trigger_data->mode & (MODE_TX | MODE_RX)) == 0) {
+ /* we don't need to do timer work, just reflect link state. */
+ led_set_brightness(trigger_data->led_cdev, ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) ? LED_FULL : LED_OFF);
+ goto no_restart;
+ }
+
+ dev_stats = dev_get_stats(trigger_data->net_dev);
+ new_activity =
+ ((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) +
+ ((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0);
+
+ if (trigger_data->mode & MODE_LINK) {
+ /* base state is ON (link present) */
+ /* if there's no link, we don't get this far and the LED is off */
+
+ /* OFF -> ON always */
+ /* ON -> OFF on activity */
+ if (trigger_data->led_cdev->brightness == LED_OFF) {
+ led_set_brightness(trigger_data->led_cdev, LED_FULL);
+ } else if (trigger_data->last_activity != new_activity) {
+ led_set_brightness(trigger_data->led_cdev, LED_OFF);
+ }
+ } else {
+ /* base state is OFF */
+ /* ON -> OFF always */
+ /* OFF -> ON on activity */
+ if (trigger_data->led_cdev->brightness == LED_FULL) {
+ led_set_brightness(trigger_data->led_cdev, LED_OFF);
+ } else if (trigger_data->last_activity != new_activity) {
+ led_set_brightness(trigger_data->led_cdev, LED_FULL);
+ }
+ }
+
+ trigger_data->last_activity = new_activity;
+ mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
+
+no_restart:
+ write_unlock(&trigger_data->lock);
+}
+
+static void netdev_trig_activate(struct led_classdev *led_cdev)
+{
+ struct led_netdev_data *trigger_data;
+ int rc;
+
+ trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
+ if (!trigger_data)
+ return;
+
+ rwlock_init(&trigger_data->lock);
+
+ trigger_data->notifier.notifier_call = netdev_trig_notify;
+ trigger_data->notifier.priority = 10;
+
+ setup_timer(&trigger_data->timer, netdev_trig_timer, (unsigned long) trigger_data);
+
+ trigger_data->led_cdev = led_cdev;
+ trigger_data->net_dev = NULL;
+ trigger_data->device_name[0] = 0;
+
+ trigger_data->mode = 0;
+ trigger_data->interval = msecs_to_jiffies(50);
+ trigger_data->link_up = 0;
+ trigger_data->last_activity = 0;
+
+ led_cdev->trigger_data = trigger_data;
+
+ rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
+ if (rc)
+ goto err_out;
+ rc = device_create_file(led_cdev->dev, &dev_attr_mode);
+ if (rc)
+ goto err_out_device_name;
+ rc = device_create_file(led_cdev->dev, &dev_attr_interval);
+ if (rc)
+ goto err_out_mode;
+
+ register_netdevice_notifier(&trigger_data->notifier);
+ return;
+
+err_out_mode:
+ device_remove_file(led_cdev->dev, &dev_attr_mode);
+err_out_device_name:
+ device_remove_file(led_cdev->dev, &dev_attr_device_name);
+err_out:
+ led_cdev->trigger_data = NULL;
+ kfree(trigger_data);
+}
+
+static void netdev_trig_deactivate(struct led_classdev *led_cdev)
+{
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ if (trigger_data) {
+ unregister_netdevice_notifier(&trigger_data->notifier);
+
+ device_remove_file(led_cdev->dev, &dev_attr_device_name);
+ device_remove_file(led_cdev->dev, &dev_attr_mode);
+ device_remove_file(led_cdev->dev, &dev_attr_interval);
+
+ write_lock(&trigger_data->lock);
+
+ if (trigger_data->net_dev) {
+ dev_put(trigger_data->net_dev);
+ trigger_data->net_dev = NULL;
+ }
+
+ write_unlock(&trigger_data->lock);
+
+ del_timer_sync(&trigger_data->timer);
+
+ kfree(trigger_data);
+ }
+}
+
+static struct led_trigger netdev_led_trigger = {
+ .name = "netdev",
+ .activate = netdev_trig_activate,
+ .deactivate = netdev_trig_deactivate,
+};
+
+static int __init netdev_trig_init(void)
+{
+ return led_trigger_register(&netdev_led_trigger);
+}
+
+static void __exit netdev_trig_exit(void)
+{
+ led_trigger_unregister(&netdev_led_trigger);
+}
+
+module_init(netdev_trig_init);
+module_exit(netdev_trig_exit);
+
+MODULE_AUTHOR("Oliver Jowett <oliver@opencloud.com>");
+MODULE_DESCRIPTION("Netdev LED trigger");
+MODULE_LICENSE("GPL");
--- /dev/null
+#ifndef __GLAMO_ENGINE_H
+#define __GLAMO_ENGINE_H
+
+enum glamo_engine {
+ GLAMO_ENGINE_CAPTURE = 0,
+ GLAMO_ENGINE_ISP = 1,
+ GLAMO_ENGINE_JPEG = 2,
+ GLAMO_ENGINE_MPEG_ENC = 3,
+ GLAMO_ENGINE_MPEG_DEC = 4,
+ GLAMO_ENGINE_LCD = 5,
+ GLAMO_ENGINE_CMDQ = 6,
+ GLAMO_ENGINE_2D = 7,
+ GLAMO_ENGINE_3D = 8,
+ GLAMO_ENGINE_MMC = 9,
+ GLAMO_ENGINE_MICROP0 = 10,
+ GLAMO_ENGINE_RISC = 11,
+ GLAMO_ENGINE_MICROP1_MPEG_ENC = 12,
+ GLAMO_ENGINE_MICROP1_MPEG_DEC = 13,
+#if 0
+ GLAMO_ENGINE_H264_DEC = 14,
+ GLAMO_ENGINE_RISC1 = 15,
+ GLAMO_ENGINE_SPI = 16,
+#endif
+ __NUM_GLAMO_ENGINES
+};
+
+#endif
--- /dev/null
+#ifndef _LINUX_GLAMOFB_H
+#define _LINUX_GLAMOFB_H
+
+#include <linux/fb.h>
+
+#ifdef __KERNEL__
+
+struct glamo_core;
+struct glamofb_handle;
+
+struct glamo_fb_platform_data {
+ int width, height;
+
+ int num_modes;
+ struct fb_videomode *modes;
+
+ struct glamo_core *core;
+};
+
+int glamofb_cmd_mode(struct glamofb_handle *gfb, int on);
+int glamofb_cmd_write(struct glamofb_handle *gfb, u_int16_t val);
+
+#ifdef CONFIG_MFD_GLAMO
+void glamo_lcm_reset(struct platform_device *pdev, int level);
+#else
+#define glamo_lcm_reset(...) do {} while (0)
+#endif
+
+#endif
+
+#define GLAMOFB_ENGINE_ENABLE _IOW('F', 0x1, __u32)
+#define GLAMOFB_ENGINE_DISABLE _IOW('F', 0x2, __u32)
+#define GLAMOFB_ENGINE_RESET _IOW('F', 0x3, __u32)
+
+#endif
--- /dev/null
+/*
+ * Definitions for the GPIO buttons interface driver
+ *
+ * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was based on: /include/linux/gpio_keys.h
+ * The original gpio_keys.h seems not to have a license.
+ *
+ * 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.
+ *
+ */
+
+#ifndef _GPIO_BUTTONS_H_
+#define _GPIO_BUTTONS_H_
+
+struct gpio_button {
+ int gpio; /* GPIO line number */
+ int active_low;
+ char *desc; /* button description */
+ int type; /* input event type (EV_KEY, EV_SW) */
+ int code; /* input event code (KEY_*, SW_*) */
+ int count;
+ int threshold; /* count threshold */
+};
+
+struct gpio_buttons_platform_data {
+ struct gpio_button *buttons;
+ int nbuttons; /* number of buttons */
+ int poll_interval; /* polling interval */
+};
+
+#endif /* _GPIO_BUTTONS_H_ */
+
--- /dev/null
+#ifndef _GPIODEV_H__
+#define _GPIODEV_H__
+
+#define IOC_GPIODEV_MAGIC 'B'
+#define GPIO_GET _IO(IOC_GPIODEV_MAGIC, 10)
+#define GPIO_SET _IO(IOC_GPIODEV_MAGIC, 11)
+#define GPIO_CLEAR _IO(IOC_GPIODEV_MAGIC, 12)
+#define GPIO_DIR_IN _IO(IOC_GPIODEV_MAGIC, 13)
+#define GPIO_DIR_OUT _IO(IOC_GPIODEV_MAGIC, 14)
+
+#endif
projects / openwrt / staging / ynezz.git / commitdiff