ams-delta-fiq.h

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/*
 * 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