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/*
* notify_dispatcher.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.
*/
#ifndef __TMBX_H__
#define __TMBX_H__
#include <syslink/notifydefs.h>
#include <linux/interrupt.h>
#include <syslink/notifyerr.h>
#define MAX_MBOX_MODULES 2
#define MAX_MBOX_ISRS 32
#define KErrNone 0
#define KErrNotSupported 1
#define KErrNotReady 2
#define KErrArgument 2
typedef void (*isr_call_back)(void *);
struct mbox_config {
unsigned long int mbox_linear_addr;
unsigned long int mbox_modules;
signed long int interrupt_lines[MAX_MBOX_MODULES];
signed long int mailboxes[MAX_MBOX_MODULES];
};
struct mbox_isrs {
signed long int isrNo[MAX_MBOX_MODULES];
/* TODO: Remove this - seems to be unused.*/
isr_call_back isrs[MAX_MBOX_MODULES][MAX_MBOX_ISRS];
void *isr_params[MAX_MBOX_MODULES][MAX_MBOX_ISRS];
};
extern const unsigned long *linear_address;
irqreturn_t notify_mailbx0_user0_isr(int temp, void *anArg, struct pt_regs *p);
/*
*func ntfy_disp_bind_interrupt
*
* desc Bind an ISR to the HW interrupt line coming into the processor
*/
int ntfy_disp_bind_interrupt(int interrupt_no,
isr_call_back hw_isr,
void *isr_arg);
/*
* desc Print the mailbox registers and other useful debug information
*
*/
void ntfy_disp_debug(void);
/*
* func ntfy_disp_deinit
* desc Uninitialize the Mailbox Manager module
*/
int ntfy_disp_deinit(void);
/*
* desc Return the pointer to the Mailbox Manager's configuration object
*/
struct mbox_config *ntfy_disp_get_config(void);
/*
* desc Initialize the Mailbox Manager module
*/
int ntfy_disp_init(void);
/*
* desc Disable a particular IRQ bit on a Mailbox IRQ Enable Register
*/
int ntfy_disp_interrupt_disable(unsigned long int mbox_module_no,
int a_irq_bit);
/*
* desc Enable a particular IRQ bit on a Mailbox IRQ Enable Register
*/
int ntfy_disp_interrupt_enable(unsigned long int mbox_module_no,
int a_irq_bit);
/*
* desc Read a message on a Mailbox FIFO queue
*/
int ntfy_disp_read(unsigned long int mbox_module_no,
int a_mbox_no,
int *messages,
int *num_messages,
short int read_all);
/*
* func ntfy_disp_register
* desc Register a ISR callback associated with a particular IRQ bit on a
* Mailbox IRQ Enable Register
*/
int ntfy_disp_register(unsigned long int mbox_module_no,
int a_irq_bit,
isr_call_back isr_cbck_fn,
void *isrCallbackArgs);
/*
* func ntfy_disp_send
* desc Send a message on a Mailbox FIFO queue
*/
int ntfy_disp_send(unsigned long int mbox_module_no,
int a_mbox_no,
int message);
/*
* func ntfy_disp_unbind_interrupt
* desc Remove the ISR to the HW interrupt line coming into the processor
*/
int ntfy_disp_unbind_interrupt(int interrupt_no);
/*
* func ntfy_disp_unregister
* desc Unregister a ISR callback associated with a particular IRQ bit on a
* Mailbox IRQ Enable Register
*/
int ntfy_disp_unregister(unsigned long int mbox_module_no,
int a_irq_bit);
/*
* func notify_mailbx0_user0_isr
* desc mail ISR
*
*/
irqreturn_t notify_mailbx0_user0_isr(int temp, void *anArg, struct pt_regs *p);
#endif
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