mini/irq.h

/*
	mini - a Free Software replacement for the Nintendo/BroadOn IOS.

	IRQ support

Copyright (C) 2008, 2009	Hector Martin "marcan" <marcan@marcansoft.com>

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, version 2.

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, MA  02111-1307  USA

*/
#ifndef __IRQ_H__
#define __IRQ_H__

#define IRQ_TIMER	0
#define IRQ_NAND	1
#define IRQ_AES		2
#define IRQ_SHA1	3
#define IRQ_EHCI	4
#define IRQ_OHCI0	5
#define IRQ_OHCI1	6
#define IRQ_SDHC	7
#define IRQ_WIFI	8
#define IRQ_GPIO1B	10
#define IRQ_GPIO1	11
#define IRQ_RESET	17
#define IRQ_PPCIPC	30
#define IRQ_IPC		31

#define IRQF_TIMER	(1<<IRQ_TIMER)
#define IRQF_NAND	(1<<IRQ_NAND)
#define IRQF_AES	(1<<IRQ_AES)
#define IRQF_SDHC	(1<<IRQ_SDHC)
#define IRQF_GPIO1B	(1<<IRQ_GPIO1B)
#define IRQF_GPIO1	(1<<IRQ_GPIO1)
#define IRQF_RESET	(1<<IRQ_RESET)
#define IRQF_IPC	(1<<IRQ_IPC)

#define IRQF_ALL	( \
	IRQF_TIMER|IRQF_NAND|IRQF_GPIO1B|IRQF_GPIO1| \
	IRQF_RESET|IRQF_IPC|IRQF_AES|IRQF_SDHC \
	)

#define CPSR_IRQDIS 0x80
#define CPSR_FIQDIS 0x40

#ifndef _LANGUAGE_ASSEMBLY

#include "types.h"

#define IRQ_ALARM_MS2REG(x)	(1898 * x)

void irq_initialize(void);
void irq_shutdown(void);

void irq_enable(u32 irq);
void irq_disable(u32 irq);

u32 irq_kill(void);
void irq_restore(u32 cookie);

static inline void irq_wait(void)
{
	u32 data = 0;
	__asm__ volatile ( "mcr\tp15, 0, %0, c7, c0, 4" : : "r" (data) );
}

void irq_set_alarm(u32 ms, u8 enable);

#endif

#endif