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/*
* Copyright (C) ST-Ericsson SA 2011
*
* License Terms: GNU General Public License v2
* Author: Kumar Sanghvi <kumar.sanghvi@stericsson.com>
*
* Heavily adapted from Regulator framework
*/
#ifndef __MODEM_H__
#define __MODEM_H__
#include <linux/device.h>
struct modem_dev;
struct modem_ops {
void (*request)(struct modem_dev *);
void (*release)(struct modem_dev *);
int (*is_requested)(struct modem_dev *);
};
struct modem_desc {
const char *name;
int id;
struct modem_ops *ops;
struct module *owner;
};
struct modem_dev {
struct modem_desc *desc;
int use_count;
int open_count;
int exclusive;
struct list_head modem_list;
struct list_head client_list;
struct blocking_notifier_head notifier;
struct mutex mutex;
struct module *owner;
struct device dev;
void *modem_data;
};
#ifdef CONFIG_MODEM
struct modem_dev *modem_register(struct modem_desc *modem_desc,
struct device *dev,
void *driver_data);
void modem_unregister(struct modem_dev *mdev);
#else
static inline struct modem_dev *modem_register(struct modem_desc *modem_desc,
struct device *dev, void *driver_data)
{
return NULL;
}
static inline void modem_unregister(struct modem_dev *mdev)
{
}
#endif
#endif /* __MODEM_H__ */
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