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/*
* notifydefs.h
*
* Notify driver support for OMAP Processors.
*
* Copyright (C) 2008-2009 Texas Instruments, Inc.
*
* This package 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.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if !defined(_NOTIFYDEFS_H_)
#define _NOTIFYDEFS_H_
/* Linux headers */
#include <linux/list.h>
/* Osal And Utils headers */
#include <syslink/atomic_linux.h>
/* Module headers */
#include <syslink/notify.h>
#include <syslink/_notify.h>
#include <syslink/notify_driverdefs.h>
/*Macro to make a correct module magic number with ref Count */
#define NOTIFY_MAKE_MAGICSTAMP(x) ((NOTIFY_MODULEID << 12u) | (x))
/* Maximum number of Notify drivers supported. */
#define NOTIFY_MAX_DRIVERS 4u
/* Mask to check for system key. */
#define NOTIFY_SYSTEMKEY_MASK ((u16)0xFFFF0000)
/* Defines the Event callback information instance */
struct notify_event_callback {
notify_fn_notify_cbck fn_notify_cbck;
/* Callback function pointer */
uint *cbck_arg;
/* Argument associated with callback function */
};
/* Defines the Notify state object, which contains all the module
* specific information. */
struct notify_module_object {
atomic_t ref_count;
/* Reference count */
struct notify_config cfg;
/* Notify configuration structure */
struct notify_config def_cfg;
/* Default module configuration */
struct mutex *gate_handle;
/* Handle of gate to be used for local thread safety */
struct notify_driver_object
drivers[NOTIFY_MAX_DRIVERS][NOTIFY_MAX_INTLINES];
/* Array of configured drivers. */
u32 local_enable_mask;
/* This is used for local/loopback events. Default to enabled (-1) */
bool start_complete;
/* TRUE if start() was called */
bool is_setup;
/* Indicates whether the Notify module is setup. */
struct notify_object *local_notify_handle;
/* Handle to Notify object for local notifications. */
};
/* Defines the Notify instance object. */
struct notify_object {
uint nesting;
/* Disable/restore nesting */
void *driver_handle;
/* Handle to device specific driver */
u16 remote_proc_id;
/* Remote MultiProc id */
u16 line_id;
/* Interrupt line id */
struct notify_event_callback callbacks[NOTIFY_MAXEVENTS];
/* List of event callbacks registered */
struct list_head event_list[NOTIFY_MAXEVENTS];
/* List of event listeners registered */
struct mutex lock;
/* Lock for event_list */
};
#endif /* !defined (_NOTIFYDEFS_H_) */
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