SVN-Revision: 18927master
parent
40219e9bf4
commit
2d61e4c580
@ -1,201 +0,0 @@ |
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/*
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* character device wrapper for generic gpio layer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA |
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* |
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* Feedback, Bugs... blogic@openwrt.org |
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* |
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*/ |
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#include <linux/module.h> |
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#include <linux/errno.h> |
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#include <linux/init.h> |
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#include <asm/uaccess.h> |
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#include <asm/io.h> |
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#include <asm/gpio.h> |
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#include <asm/atomic.h> |
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#include <linux/init.h> |
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#include <linux/genhd.h> |
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#include <linux/device.h> |
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#include <linux/platform_device.h> |
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#include <linux/gpio_dev.h> |
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#define DRVNAME "gpiodev" |
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#define DEVNAME "gpio" |
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static int dev_major; |
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static unsigned int gpio_access_mask; |
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static struct class *gpiodev_class; |
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/* Counter is 1, if the device is not opened and zero (or less) if opened. */ |
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static atomic_t gpio_open_cnt = ATOMIC_INIT(1); |
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static int |
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gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg) |
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{ |
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int retval = 0; |
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if (((1 << arg) & gpio_access_mask) != (1 << arg)) |
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{ |
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retval = -EINVAL; |
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goto out; |
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} |
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switch (cmd) |
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{ |
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case GPIO_GET: |
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retval = gpio_get_value(arg); |
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break; |
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case GPIO_SET: |
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gpio_set_value(arg, 1); |
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break; |
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case GPIO_CLEAR: |
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gpio_set_value(arg, 0); |
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break; |
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case GPIO_DIR_IN: |
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gpio_direction_input(arg); |
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break; |
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case GPIO_DIR_OUT: |
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gpio_direction_output(arg, 0); |
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break; |
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default: |
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retval = -EINVAL; |
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break; |
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} |
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out: |
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return retval; |
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} |
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static int |
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gpio_open(struct inode *inode, struct file *file) |
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{ |
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int result = 0; |
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unsigned int dev_minor = MINOR(inode->i_rdev); |
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if (dev_minor != 0) |
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{ |
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printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor); |
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result = -ENODEV; |
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goto out; |
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} |
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/* FIXME: We should really allow multiple applications to open the device
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* at the same time, as long as the apps access different IO pins. |
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* The generic gpio-registration functions can be used for that. |
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* Two new IOCTLs have to be introduced for that. Need to check userspace |
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* compatibility first. --mb */ |
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if (!atomic_dec_and_test(&gpio_open_cnt)) { |
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atomic_inc(&gpio_open_cnt); |
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printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor); |
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result = -EBUSY; |
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goto out; |
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} |
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out: |
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return result; |
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} |
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static int |
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gpio_close(struct inode * inode, struct file * file) |
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{ |
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smp_mb__before_atomic_inc(); |
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atomic_inc(&gpio_open_cnt); |
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return 0; |
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} |
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struct file_operations gpio_fops = { |
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ioctl: gpio_ioctl, |
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open: gpio_open, |
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release: gpio_close |
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}; |
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static int |
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gpio_probe(struct platform_device *dev) |
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{ |
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int result = 0; |
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dev_major = register_chrdev(0, DEVNAME, &gpio_fops); |
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if (!dev_major) |
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{ |
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printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME); |
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result = -ENODEV; |
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goto out; |
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} |
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gpiodev_class = class_create(THIS_MODULE, DRVNAME); |
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device_create(gpiodev_class, NULL, MKDEV(dev_major, 0), dev, DEVNAME); |
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printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major); |
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if (dev->num_resources != 1) |
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{ |
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printk(KERN_ERR DRVNAME ": device may only have 1 resource\n"); |
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result = -ENODEV; |
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goto out; |
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} |
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gpio_access_mask = dev->resource[0].start; |
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printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask); |
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out: |
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return result; |
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} |
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static int |
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gpio_remove(struct platform_device *dev) |
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{ |
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unregister_chrdev(dev_major, DEVNAME); |
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return 0; |
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} |
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static struct |
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platform_driver gpio_driver = { |
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.probe = gpio_probe, |
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.remove = gpio_remove, |
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.driver = { |
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.name = "GPIODEV", |
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.owner = THIS_MODULE, |
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}, |
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}; |
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static int __init |
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gpio_mod_init(void) |
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{ |
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int ret = platform_driver_register(&gpio_driver); |
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if (ret) |
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printk(KERN_INFO DRVNAME ": Error registering platfom driver!"); |
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return ret; |
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} |
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static void __exit |
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gpio_mod_exit(void) |
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{ |
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platform_driver_unregister(&gpio_driver); |
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} |
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module_init (gpio_mod_init); |
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module_exit (gpio_mod_exit); |
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MODULE_LICENSE("GPL"); |
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MODULE_AUTHOR("John Crispin / OpenWrt"); |
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MODULE_DESCRIPTION("Character device for for generic gpio api"); |
@ -1,209 +0,0 @@ |
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/*
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* Driver for buttons on GPIO lines not capable of generating interrupts |
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* |
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* Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org> |
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* |
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* This file was based on: /drivers/input/misc/cobalt_btns.c |
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* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> |
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* |
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* also was based on: /drivers/input/keyboard/gpio_keys.c |
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* Copyright 2005 Phil Blundell |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <linux/input.h> |
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#include <linux/input-polldev.h> |
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#include <linux/ioport.h> |
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#include <linux/platform_device.h> |
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#include <linux/gpio_buttons.h> |
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#include <asm/gpio.h> |
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#define DRV_NAME "gpio-buttons" |
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#define DRV_VERSION "0.1.1" |
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#define PFX DRV_NAME ": " |
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struct gpio_buttons_dev { |
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struct input_polled_dev *poll_dev; |
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struct gpio_buttons_platform_data *pdata; |
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}; |
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static void gpio_buttons_poll(struct input_polled_dev *dev) |
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{ |
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struct gpio_buttons_dev *bdev = dev->private; |
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struct gpio_buttons_platform_data *pdata = bdev->pdata; |
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struct input_dev *input = dev->input; |
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int i; |
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for (i = 0; i < bdev->pdata->nbuttons; i++) { |
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struct gpio_button *button = &pdata->buttons[i]; |
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unsigned int type = button->type ?: EV_KEY; |
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int state; |
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state = gpio_get_value(button->gpio) ? 1 : 0; |
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state ^= button->active_low; |
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if (state) { |
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button->count++; |
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} else { |
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if (button->count >= button->threshold) { |
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input_event(input, type, button->code, 1); |
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input_sync(input); |
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} |
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button->count = 0; |
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} |
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if (button->count == button->threshold) { |
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input_event(input, type, button->code, 0); |
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input_sync(input); |
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} |
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} |
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} |
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static int __devinit gpio_buttons_probe(struct platform_device *pdev) |
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{ |
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struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data; |
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struct gpio_buttons_dev *bdev; |
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struct input_polled_dev *poll_dev; |
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struct input_dev *input; |
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int error, i; |
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if (!pdata) |
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return -ENXIO; |
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bdev = kzalloc(sizeof(*bdev), GFP_KERNEL); |
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if (!bdev) { |
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printk(KERN_ERR DRV_NAME "no memory for device\n"); |
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return -ENOMEM; |
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} |
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poll_dev = input_allocate_polled_device(); |
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if (!poll_dev) { |
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printk(KERN_ERR DRV_NAME "no memory for polled device\n"); |
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error = -ENOMEM; |
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goto err_free_bdev; |
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} |
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poll_dev->private = bdev; |
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poll_dev->poll = gpio_buttons_poll; |
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poll_dev->poll_interval = pdata->poll_interval; |
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input = poll_dev->input; |
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input->evbit[0] = BIT(EV_KEY); |
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input->name = pdev->name; |
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input->phys = "gpio-buttons/input0"; |
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input->dev.parent = &pdev->dev; |
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input->id.bustype = BUS_HOST; |
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input->id.vendor = 0x0001; |
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input->id.product = 0x0001; |
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input->id.version = 0x0100; |
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for (i = 0; i < pdata->nbuttons; i++) { |
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struct gpio_button *button = &pdata->buttons[i]; |
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unsigned int gpio = button->gpio; |
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unsigned int type = button->type ?: EV_KEY; |
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error = gpio_request(gpio, button->desc ? |
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button->desc : DRV_NAME); |
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if (error) { |
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printk(KERN_ERR PFX "unable to claim gpio %u, " |
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"error %d\n", gpio, error); |
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goto err_free_gpio; |
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} |
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error = gpio_direction_input(gpio); |
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if (error) { |
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printk(KERN_ERR PFX "unable to set direction on " |
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"gpio %u, error %d\n", gpio, error); |
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goto err_free_gpio; |
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} |
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input_set_capability(input, type, button->code); |
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button->count = 0; |
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} |
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bdev->poll_dev = poll_dev; |
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bdev->pdata = pdata; |
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platform_set_drvdata(pdev, bdev); |
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error = input_register_polled_device(poll_dev); |
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if (error) { |
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printk(KERN_ERR PFX "unable to register polled device, " |
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"error %d\n", error); |
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goto err_free_gpio; |
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} |
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return 0; |
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err_free_gpio: |
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for (i = i - 1; i >= 0; i--) |
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gpio_free(pdata->buttons[i].gpio); |
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input_free_polled_device(poll_dev); |
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err_free_bdev: |
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kfree(bdev); |
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platform_set_drvdata(pdev, NULL); |
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return error; |
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} |
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static int __devexit gpio_buttons_remove(struct platform_device *pdev) |
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{ |
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struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev); |
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struct gpio_buttons_platform_data *pdata = bdev->pdata; |
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int i; |
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input_unregister_polled_device(bdev->poll_dev); |
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for (i = 0; i < pdata->nbuttons; i++) |
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gpio_free(pdata->buttons[i].gpio); |
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input_free_polled_device(bdev->poll_dev); |
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kfree(bdev); |
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platform_set_drvdata(pdev, NULL); |
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return 0; |
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} |
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static struct platform_driver gpio_buttons_driver = { |
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.probe = gpio_buttons_probe, |
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.remove = __devexit_p(gpio_buttons_remove), |
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.driver = { |
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.name = DRV_NAME, |
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.owner = THIS_MODULE, |
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}, |
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}; |
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static int __init gpio_buttons_init(void) |
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{ |
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printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n"); |
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return platform_driver_register(&gpio_buttons_driver); |
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} |
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static void __exit gpio_buttons_exit(void) |
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{ |
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platform_driver_unregister(&gpio_buttons_driver); |
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} |
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module_init(gpio_buttons_init); |
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module_exit(gpio_buttons_exit); |
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MODULE_LICENSE("GPL"); |
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MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); |
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MODULE_VERSION(DRV_VERSION); |
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MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs"); |
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@ -1,365 +0,0 @@ |
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/*
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* LED Morse Trigger |
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* |
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* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> |
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* |
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* This file was based on: drivers/led/ledtrig-timer.c |
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* Copyright 2005-2006 Openedhand Ltd. |
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* Author: Richard Purdie <rpurdie@openedhand.com> |
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* |
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* also based on the patch '[PATCH] 2.5.59 morse code panics' posted |
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* in the LKML by Tomas Szepe at Thu, 30 Jan 2003 |
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* Copyright (C) 2002 Andrew Rodland <arodland@noln.com> |
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* Copyright (C) 2003 Tomas Szepe <szepe@pinerecords.com> |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 as published |
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* by the Free Software Foundation. |
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* |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/version.h> |
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#include <linux/module.h> |
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#include <linux/jiffies.h> |
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#include <linux/init.h> |
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#include <linux/list.h> |
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#include <linux/spinlock.h> |
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#include <linux/device.h> |
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#include <linux/sysdev.h> |
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#include <linux/timer.h> |
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#include <linux/ctype.h> |
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#include <linux/leds.h> |
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#include "leds.h" |
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#define MORSE_DELAY_BASE (HZ/2) |
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#define MORSE_STATE_BLINK_START 0 |
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#define MORSE_STATE_BLINK_STOP 1 |
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#define MORSE_DIT_LEN 1 |
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#define MORSE_DAH_LEN 3 |
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#define MORSE_SPACE_LEN 7 |
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struct morse_trig_data { |
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unsigned long delay; |
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char *msg; |
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unsigned char morse; |
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unsigned char state; |
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char *msgpos; |
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struct timer_list timer; |
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}; |
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const unsigned char morsetable[] = { |
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0122, 0, 0310, 0, 0, 0163, /* "#$%&' */ |
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055, 0155, 0, 0, 0163, 0141, 0152, 0051, /* ()*+,-./ */ |
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077, 076, 074, 070, 060, 040, 041, 043, 047, 057, /* 0-9 */ |
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0107, 0125, 0, 0061, 0, 0114, 0, /* :;<=>?@ */ |
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006, 021, 025, 011, 002, 024, 013, 020, 004, /* A-I */ |
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036, 015, 022, 007, 005, 017, 026, 033, 012, /* J-R */ |
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010, 003, 014, 030, 016, 031, 035, 023, /* S-Z */ |
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0, 0, 0, 0, 0154 /* [\]^_ */ |
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}; |
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static inline unsigned char tomorse(char c) { |
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if (c >= 'a' && c <= 'z') |
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c = c - 'a' + 'A'; |
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if (c >= '"' && c <= '_') { |
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return morsetable[c - '"']; |
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} else |
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return 0; |
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} |
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static inline unsigned long dit_len(struct morse_trig_data *morse_data) |
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{ |
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return MORSE_DIT_LEN*morse_data->delay; |
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} |
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static inline unsigned long dah_len(struct morse_trig_data *morse_data) |
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{ |
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return MORSE_DAH_LEN*morse_data->delay; |
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} |
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static inline unsigned long space_len(struct morse_trig_data *morse_data) |
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{ |
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return MORSE_SPACE_LEN*morse_data->delay; |
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} |
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static void morse_timer_function(unsigned long data) |
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{ |
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struct led_classdev *led_cdev = (struct led_classdev *)data; |
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struct morse_trig_data *morse_data = led_cdev->trigger_data; |
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unsigned long brightness = LED_OFF; |
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unsigned long delay = 0; |
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if (!morse_data->msg) |
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goto set_led; |
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switch (morse_data->state) { |
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case MORSE_STATE_BLINK_START: |
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/* Starting a new blink. We have a valid code in morse. */ |
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delay = (morse_data->morse & 001) ? dah_len(morse_data): |
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dit_len(morse_data); |
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brightness = LED_FULL; |
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morse_data->state = MORSE_STATE_BLINK_STOP; |
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morse_data->morse >>= 1; |
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break; |
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case MORSE_STATE_BLINK_STOP: |
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/* Coming off of a blink. */ |
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morse_data->state = MORSE_STATE_BLINK_START; |
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if (morse_data->morse > 1) { |
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/* Not done yet, just a one-dit pause. */ |
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delay = dit_len(morse_data); |
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break; |
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} |
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/* Get a new char, figure out how much space. */ |
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/* First time through */ |
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if (!morse_data->msgpos) |
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morse_data->msgpos = (char *)morse_data->msg; |
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if (!*morse_data->msgpos) { |
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/* Repeating */ |
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morse_data->msgpos = (char *)morse_data->msg; |
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delay = space_len(morse_data); |
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} else { |
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/* Inter-letter space */ |
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delay = dah_len(morse_data); |
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} |
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if (!(morse_data->morse = tomorse(*morse_data->msgpos))) { |
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delay = space_len(morse_data); |
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/* And get us back here */ |
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morse_data->state = MORSE_STATE_BLINK_STOP; |
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} |
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morse_data->msgpos++; |
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break; |
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} |
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mod_timer(&morse_data->timer, jiffies + msecs_to_jiffies(delay)); |
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set_led: |
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led_set_brightness(led_cdev, brightness); |
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} |
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|
||||
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"); |
@ -1,451 +0,0 @@ |
||||
/*
|
||||
* 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"); |
@ -1,27 +0,0 @@ |
||||
#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 |
@ -1,35 +0,0 @@ |
||||
#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 |
@ -1,35 +0,0 @@ |
||||
/*
|
||||
* 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_ */ |
||||
|
@ -1,11 +0,0 @@ |
||||
#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 |
@ -1,201 +0,0 @@ |
||||
/*
|
||||
* 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"); |
@ -1,209 +0,0 @@ |
||||
/*
|
||||
* 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"); |
||||
|
@ -1,365 +0,0 @@ |
||||
/*
|
||||
* LED Morse Trigger |
||||
* |
||||
* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> |
||||
* |
||||
* This file was based on: drivers/led/ledtrig-timer.c |
||||
* Copyright 2005-2006 Openedhand Ltd. |
||||
* Author: Richard Purdie <rpurdie@openedhand.com> |
||||
* |
||||
* also based on the patch '[PATCH] 2.5.59 morse code panics' posted |
||||
* in the LKML by Tomas Szepe at Thu, 30 Jan 2003 |
||||
* Copyright (C) 2002 Andrew Rodland <arodland@noln.com> |
||||
* Copyright (C) 2003 Tomas Szepe <szepe@pinerecords.com> |
||||
* |
||||
* This program is free software; you can redistribute it and/or modify it |
||||
* under the terms of the GNU General Public License version 2 as published |
||||
* by the Free Software Foundation. |
||||
* |
||||
*/ |
||||
|
||||
#include <linux/kernel.h> |
||||
#include <linux/version.h> |
||||
#include <linux/module.h> |
||||
#include <linux/jiffies.h> |
||||
#include <linux/init.h> |
||||
#include <linux/list.h> |
||||
#include <linux/spinlock.h> |
||||
#include <linux/device.h> |
||||
#include <linux/sysdev.h> |
||||
#include <linux/timer.h> |
||||
#include <linux/ctype.h> |
||||
#include <linux/leds.h> |
||||
|
||||
#include "leds.h" |
||||
|
||||
#define MORSE_DELAY_BASE (HZ/2) |
||||
|
||||
#define MORSE_STATE_BLINK_START 0 |
||||
#define MORSE_STATE_BLINK_STOP 1 |
||||
|
||||
#define MORSE_DIT_LEN 1 |
||||
#define MORSE_DAH_LEN 3 |
||||
#define MORSE_SPACE_LEN 7 |
||||
|
||||
struct morse_trig_data { |
||||
unsigned long delay; |
||||
char *msg; |
||||
|
||||
unsigned char morse; |
||||
unsigned char state; |
||||
char *msgpos; |
||||
struct timer_list timer; |
||||
}; |
||||
|
||||
const unsigned char morsetable[] = { |
||||
0122, 0, 0310, 0, 0, 0163, /* "#$%&' */ |
||||
055, 0155, 0, 0, 0163, 0141, 0152, 0051, /* ()*+,-./ */ |
||||
077, 076, 074, 070, 060, 040, 041, 043, 047, 057, /* 0-9 */ |
||||
0107, 0125, 0, 0061, 0, 0114, 0, /* :;<=>?@ */ |
||||
006, 021, 025, 011, 002, 024, 013, 020, 004, /* A-I */ |
||||
036, 015, 022, 007, 005, 017, 026, 033, 012, /* J-R */ |
||||
010, 003, 014, 030, 016, 031, 035, 023, /* S-Z */ |
||||
0, 0, 0, 0, 0154 /* [\]^_ */ |
||||
}; |
||||
|
||||
static inline unsigned char tomorse(char c) { |
||||
if (c >= 'a' && c <= 'z') |
||||
c = c - 'a' + 'A'; |
||||
if (c >= '"' && c <= '_') { |
||||
return morsetable[c - '"']; |
||||
} else |
||||
return 0; |
||||
} |
||||
|
||||
static inline unsigned long dit_len(struct morse_trig_data *morse_data) |
||||
{ |
||||
return MORSE_DIT_LEN*morse_data->delay; |
||||
} |
||||
|
||||
static inline unsigned long dah_len(struct morse_trig_data *morse_data) |
||||
{ |
||||
return MORSE_DAH_LEN*morse_data->delay; |
||||
} |
||||
|
||||
static inline unsigned long space_len(struct morse_trig_data *morse_data) |
||||
{ |
||||
return MORSE_SPACE_LEN*morse_data->delay; |
||||
} |
||||
|
||||
static void morse_timer_function(unsigned long data) |
||||
{ |
||||
struct led_classdev *led_cdev = (struct led_classdev *)data; |
||||
struct morse_trig_data *morse_data = led_cdev->trigger_data; |
||||
unsigned long brightness = LED_OFF; |
||||
unsigned long delay = 0; |
||||
|
||||
if (!morse_data->msg) |
||||
goto set_led; |
||||
|
||||
switch (morse_data->state) { |
||||
case MORSE_STATE_BLINK_START: |
||||
/* Starting a new blink. We have a valid code in morse. */ |
||||
delay = (morse_data->morse & 001) ? dah_len(morse_data): |
||||
dit_len(morse_data); |
||||
brightness = LED_FULL; |
||||
morse_data->state = MORSE_STATE_BLINK_STOP; |
||||
morse_data->morse >>= 1; |
||||
break; |
||||
case MORSE_STATE_BLINK_STOP: |
||||
/* Coming off of a blink. */ |
||||
morse_data->state = MORSE_STATE_BLINK_START; |
||||
|
||||
if (morse_data->morse > 1) { |
||||
/* Not done yet, just a one-dit pause. */ |
||||
delay = dit_len(morse_data); |
||||
break; |
||||
} |
||||
|
||||
/* Get a new char, figure out how much space. */ |
||||
/* First time through */ |
||||
if (!morse_data->msgpos) |
||||
morse_data->msgpos = (char *)morse_data->msg; |
||||
|
||||
if (!*morse_data->msgpos) { |
||||
/* Repeating */ |
||||
morse_data->msgpos = (char *)morse_data->msg; |
||||
delay = space_len(morse_data); |
||||
} else { |
||||
/* Inter-letter space */ |
||||
delay = dah_len(morse_data); |
||||
} |
||||
|
||||
if (!(morse_data->morse = tomorse(*morse_data->msgpos))) { |
||||
delay = space_len(morse_data); |
||||
/* And get us back here */ |
||||
morse_data->state = MORSE_STATE_BLINK_STOP; |
||||
} |
||||
morse_data->msgpos++; |
||||
break; |
||||
} |
||||
|
||||
mod_timer(&morse_data->timer, jiffies + msecs_to_jiffies(delay)); |
||||
|
||||
set_led: |
||||
led_set_brightness(led_cdev, brightness); |
||||
} |
||||
|
||||
static ssize_t _morse_delay_show(struct led_classdev *led_cdev, char *buf) |
||||
{ |
||||
struct morse_trig_data *morse_data = led_cdev->trigger_data; |
||||
|
||||
sprintf(buf, "%lu\n", morse_data->delay); |
||||
|
||||
return strlen(buf) + 1; |
||||
} |
||||
|
||||
static ssize_t _morse_delay_store(struct led_classdev *led_cdev, |
||||
const char *buf, size_t size) |
||||
{ |
||||
struct morse_trig_data *morse_data = led_cdev->trigger_data; |
||||
char *after; |
||||
unsigned long state = simple_strtoul(buf, &after, 10); |
||||
size_t count = after - buf; |
||||
int ret = -EINVAL; |
||||
|
||||
if (*after && isspace(*after)) |
||||
count++; |
||||
|
||||
if (count == size) { |
||||
morse_data->delay = state; |
||||
mod_timer(&morse_data->timer, jiffies + 1); |
||||
ret = count; |
||||
} |
||||
|
||||
return ret; |
||||
} |
||||
|
||||
static ssize_t _morse_msg_show(struct led_classdev *led_cdev, char *buf) |
||||
{ |
||||
struct morse_trig_data *morse_data = led_cdev->trigger_data; |
||||
|
||||
if (!morse_data->msg) |
||||
sprintf(buf, "<none>\n"); |
||||
else |
||||
sprintf(buf, "%s\n", morse_data->msg); |
||||
|
||||
return strlen(buf) + 1; |
||||
} |
||||
|
||||
static ssize_t _morse_msg_store(struct led_classdev *led_cdev, |
||||
const char *buf, size_t size) |
||||
{ |
||||
struct morse_trig_data *morse_data = led_cdev->trigger_data; |
||||
char *m; |
||||
|
||||
m = kmalloc(size, GFP_KERNEL); |
||||
if (!m) |
||||
return -ENOMEM; |
||||
|
||||
memcpy(m,buf,size); |
||||
m[size]='\0'; |
||||
|
||||
if (morse_data->msg) |
||||
kfree(morse_data->msg); |
||||
|
||||
morse_data->msg = m; |
||||
morse_data->msgpos = NULL; |
||||
morse_data->state = MORSE_STATE_BLINK_STOP; |
||||
|
||||
mod_timer(&morse_data->timer, jiffies + 1); |
||||
|
||||
return size; |
||||
} |
||||
|
||||
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) |
||||
static ssize_t morse_delay_show(struct device *dev, |
||||
struct device_attribute *attr, char *buf) |
||||
{ |
||||
struct led_classdev *led_cdev = dev_get_drvdata(dev); |
||||
|
||||
return _morse_delay_show(led_cdev, buf); |
||||
} |
||||
|
||||
static ssize_t morse_delay_store(struct device *dev, |
||||
struct device_attribute *attr, const char *buf, size_t size) |
||||
{ |
||||
struct led_classdev *led_cdev = dev_get_drvdata(dev); |
||||
|
||||
return _morse_delay_store(led_cdev, buf, size); |
||||
} |
||||
|
||||
static ssize_t morse_msg_show(struct device *dev, |
||||
struct device_attribute *attr, char *buf) |
||||
{ |
||||
struct led_classdev *led_cdev = dev_get_drvdata(dev); |
||||
|
||||
return _morse_msg_show(led_cdev, buf); |
||||
} |
||||
|
||||
static ssize_t morse_msg_store(struct device *dev, |
||||
struct device_attribute *attr, const char *buf, size_t size) |
||||
{ |
||||
struct led_classdev *led_cdev = dev_get_drvdata(dev); |
||||
|
||||
return _morse_msg_store(led_cdev, buf, size); |
||||
} |
||||
|
||||
static DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store); |
||||
static DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store); |
||||
|
||||
#define led_device_create_file(leddev, attr) \ |
||||
device_create_file(leddev->dev, &dev_attr_ ## attr) |
||||
#define led_device_remove_file(leddev, attr) \ |
||||
device_remove_file(leddev->dev, &dev_attr_ ## attr) |
||||
|
||||
#else |
||||
static ssize_t morse_delay_show(struct class_device *dev, char *buf) |
||||
{ |
||||
struct led_classdev *led_cdev = class_get_devdata(dev); |
||||
|
||||
return _morse_delay_show(led_cdev, buf); |
||||
} |
||||
|
||||
static ssize_t morse_delay_store(struct class_device *dev, const char *buf, |
||||
size_t size) |
||||
{ |
||||
struct led_classdev *led_cdev = class_get_devdata(dev); |
||||
|
||||
return _morse_delay_store(led_cdev, buf, size); |
||||
} |
||||
|
||||
static ssize_t morse_msg_show(struct class_device *dev, char *buf) |
||||
{ |
||||
struct led_classdev *led_cdev = class_get_devdata(dev); |
||||
|
||||
return _morse_msg_show(led_cdev, buf); |
||||
} |
||||
|
||||
static ssize_t morse_msg_store(struct class_device *dev, const char *buf, |
||||
size_t size) |
||||
{ |
||||
struct led_classdev *led_cdev = class_get_devdata(dev); |
||||
|
||||
return _morse_msg_store(led_cdev, buf, size); |
||||
} |
||||
|
||||
static CLASS_DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store); |
||||
static CLASS_DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store); |
||||
|
||||
#define led_device_create_file(leddev, attr) \ |
||||
class_device_create_file(leddev->class_dev, &class_device_attr_ ## attr) |
||||
#define led_device_remove_file(leddev, attr) \ |
||||
class_device_remove_file(leddev->class_dev, &class_device_attr_ ## attr) |
||||
|
||||
#endif |
||||
|
||||
static void morse_trig_activate(struct led_classdev *led_cdev) |
||||
{ |
||||
struct morse_trig_data *morse_data; |
||||
int rc; |
||||
|
||||
morse_data = kzalloc(sizeof(*morse_data), GFP_KERNEL); |
||||
if (!morse_data) |
||||
return; |
||||
|
||||
morse_data->delay = MORSE_DELAY_BASE; |
||||
init_timer(&morse_data->timer); |
||||
morse_data->timer.function = morse_timer_function; |
||||
morse_data->timer.data = (unsigned long)led_cdev; |
||||
|
||||
rc = led_device_create_file(led_cdev, delay); |
||||
if (rc) goto err; |
||||
|
||||
rc = led_device_create_file(led_cdev, message); |
||||
if (rc) goto err_delay; |
||||
|
||||
led_cdev->trigger_data = morse_data; |
||||
|
||||
return; |
||||
|
||||
err_delay: |
||||
led_device_remove_file(led_cdev, delay); |
||||
err: |
||||
kfree(morse_data); |
||||
} |
||||
|
||||
static void morse_trig_deactivate(struct led_classdev *led_cdev) |
||||
{ |
||||
struct morse_trig_data *morse_data = led_cdev->trigger_data; |
||||
|
||||
if (!morse_data) |
||||
return; |
||||
|
||||
led_device_remove_file(led_cdev, message); |
||||
led_device_remove_file(led_cdev, delay); |
||||
|
||||
del_timer_sync(&morse_data->timer); |
||||
if (morse_data->msg) |
||||
kfree(morse_data->msg); |
||||
|
||||
kfree(morse_data); |
||||
} |
||||
|
||||
static struct led_trigger morse_led_trigger = { |
||||
.name = "morse", |
||||
.activate = morse_trig_activate, |
||||
.deactivate = morse_trig_deactivate, |
||||
}; |
||||
|
||||
static int __init morse_trig_init(void) |
||||
{ |
||||
return led_trigger_register(&morse_led_trigger); |
||||
} |
||||
|
||||
static void __exit morse_trig_exit(void) |
||||
{ |
||||
led_trigger_unregister(&morse_led_trigger); |
||||
} |
||||
|
||||
module_init(morse_trig_init); |
||||
module_exit(morse_trig_exit); |
||||
|
||||
MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); |
||||
MODULE_DESCRIPTION("Morse LED trigger"); |
||||
MODULE_LICENSE("GPL"); |
@ -1,451 +0,0 @@ |
||||
/*
|
||||
* 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"); |
@ -1,27 +0,0 @@ |
||||
#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 |
@ -1,35 +0,0 @@ |
||||
#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 |
@ -1,35 +0,0 @@ |
||||
/*
|
||||
* 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_ */ |
||||
|
@ -1,11 +0,0 @@ |
||||
#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 |
Loading…
Reference in new issue