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/*
* LIRC base driver
*
* by Artur Lipowski <alipowski@interia.pl>
* This code is licensed under GNU GPL
*
*/
#ifndef _LINUX_LIRC_DEV_H
#define _LINUX_LIRC_DEV_H
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/ioctl.h>
#include <linux/poll.h>
#include <linux/kfifo.h>
#include <media/lirc.h>
#include <linux/device.h>
#include <linux/cdev.h>
/**
* struct lirc_dev - represents a LIRC device
*
* @name: used for logging
* @minor: the minor device (/dev/lircX) number for the device
* @rdev: &struct rc_dev associated with the device
* @fops: &struct file_operations for the device
* @owner: the module owning this struct
* @attached: if the device is still live
* @open: open count for the device's chardev
* @mutex: serialises file_operations calls
* @dev: &struct device assigned to the device
* @cdev: &struct cdev assigned to the device
*/
struct lirc_dev {
char name[40];
unsigned int minor;
struct rc_dev *rdev;
const struct file_operations *fops;
struct module *owner;
bool attached;
int open;
struct mutex mutex; /* protect from simultaneous accesses */
struct device dev;
struct cdev cdev;
};
struct lirc_dev *lirc_allocate_device(void);
void lirc_free_device(struct lirc_dev *d);
int lirc_register_device(struct lirc_dev *d);
void lirc_unregister_device(struct lirc_dev *d);
/* default file operations
* used by drivers if they override only some operations
*/
int lirc_dev_fop_open(struct inode *inode, struct file *file);
int lirc_dev_fop_close(struct inode *inode, struct file *file);
#endif
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