1. 根目录:
2. arch
3. arm
4. mach-omap1
5. include
6. mach
7. ams-delta-fiq.h

/*
 * arch/arm/mach-omap1/include/ams-delta-fiq.h
 *
 * Taken from the original Amstrad modifications to fiq.h
 *
 * Copyright (c) 2004 Amstrad Plc
 * Copyright (c) 2006 Matt Callow
 * Copyright (c) 2010 Janusz Krzysztofik
 *
 * This program 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.
 */
#ifndef __AMS_DELTA_FIQ_H
#define __AMS_DELTA_FIQ_H

/*
 * Interrupt number used for passing control from FIQ to IRQ.
 * IRQ12, described as reserved, has been selected.
 */
#define INT_DEFERRED_FIQ	INT_1510_RES12
/*
 * Base address of an interrupt handler that the INT_DEFERRED_FIQ belongs to.
 */
#if (INT_DEFERRED_FIQ < IH2_BASE)
#define DEFERRED_FIQ_IH_BASE	OMAP_IH1_BASE
#else
#define DEFERRED_FIQ_IH_BASE	OMAP_IH2_BASE
#endif

/*
 * These are the offsets from the beginning of the fiq_buffer. They are put here
 * since the buffer and header need to be accessed by drivers servicing devices
 * which generate GPIO interrupts - e.g. keyboard, modem, hook switch.
 */
#define FIQ_MASK		 0
#define FIQ_STATE		 1
#define FIQ_KEYS_CNT		 2
#define FIQ_TAIL_OFFSET		 3
#define FIQ_HEAD_OFFSET		 4
#define FIQ_BUF_LEN		 5
#define FIQ_KEY			 6
#define FIQ_MISSED_KEYS		 7
#define FIQ_BUFFER_START	 8
#define FIQ_GPIO_INT_MASK	 9
#define FIQ_KEYS_HICNT		10
#define FIQ_IRQ_PEND		11
#define FIQ_SIR_CODE_L1		12
#define IRQ_SIR_CODE_L2		13

#define FIQ_CNT_INT_00		14
#define FIQ_CNT_INT_KEY		15
#define FIQ_CNT_INT_MDM		16
#define FIQ_CNT_INT_03		17
#define FIQ_CNT_INT_HSW		18
#define FIQ_CNT_INT_05		19
#define FIQ_CNT_INT_06		20
#define FIQ_CNT_INT_07		21
#define FIQ_CNT_INT_08		22
#define FIQ_CNT_INT_09		23
#define FIQ_CNT_INT_10		24
#define FIQ_CNT_INT_11		25
#define FIQ_CNT_INT_12		26
#define FIQ_CNT_INT_13		27
#define FIQ_CNT_INT_14		28
#define FIQ_CNT_INT_15		29

#define FIQ_CIRC_BUFF		30      /*Start of circular buffer */

#ifndef __ASSEMBLER__
extern unsigned int fiq_buffer[];
extern unsigned char qwerty_fiqin_start, qwerty_fiqin_end;

extern void __init ams_delta_init_fiq(void);
#endif

#endif