arch/arm/mach-omap1/include/mach/ams-delta-fiq.h

   1 /*
   2  * arch/arm/mach-omap1/include/ams-delta-fiq.h
   3  *
   4  * Taken from the original Amstrad modifications to fiq.h
   5  *
   6  * Copyright (c) 2004 Amstrad Plc
   7  * Copyright (c) 2006 Matt Callow
   8  * Copyright (c) 2010 Janusz Krzysztofik
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14 #ifndef __AMS_DELTA_FIQ_H
  15 #define __AMS_DELTA_FIQ_H
  16
  17 #include <plat/irqs.h>
  18
  19 /*
  20  * Interrupt number used for passing control from FIQ to IRQ.
  21  * IRQ12, described as reserved, has been selected.
  22  */
  23 #define INT_DEFERRED_FIQ        INT_1510_RES12
  24 /*
  25  * Base address of an interrupt handler that the INT_DEFERRED_FIQ belongs to.
  26  */
  27 #if (INT_DEFERRED_FIQ < IH2_BASE)
  28 #define DEFERRED_FIQ_IH_BASE    OMAP_IH1_BASE
  29 #else
  30 #define DEFERRED_FIQ_IH_BASE    OMAP_IH2_BASE
  31 #endif
  32
  33 /*
  34  * These are the offsets from the beginning of the fiq_buffer. They are put here
  35  * since the buffer and header need to be accessed by drivers servicing devices
  36  * which generate GPIO interrupts - e.g. keyboard, modem, hook switch.
  37  */
  38 #define FIQ_MASK                 0
  39 #define FIQ_STATE                1
  40 #define FIQ_KEYS_CNT             2
  41 #define FIQ_TAIL_OFFSET          3
  42 #define FIQ_HEAD_OFFSET          4
  43 #define FIQ_BUF_LEN              5
  44 #define FIQ_KEY                  6
  45 #define FIQ_MISSED_KEYS          7
  46 #define FIQ_BUFFER_START         8
  47 #define FIQ_GPIO_INT_MASK        9
  48 #define FIQ_KEYS_HICNT          10
  49 #define FIQ_IRQ_PEND            11
  50 #define FIQ_SIR_CODE_L1         12
  51 #define IRQ_SIR_CODE_L2         13
  52
  53 #define FIQ_CNT_INT_00          14
  54 #define FIQ_CNT_INT_KEY         15
  55 #define FIQ_CNT_INT_MDM         16
  56 #define FIQ_CNT_INT_03          17
  57 #define FIQ_CNT_INT_HSW         18
  58 #define FIQ_CNT_INT_05          19
  59 #define FIQ_CNT_INT_06          20
  60 #define FIQ_CNT_INT_07          21
  61 #define FIQ_CNT_INT_08          22
  62 #define FIQ_CNT_INT_09          23
  63 #define FIQ_CNT_INT_10          24
  64 #define FIQ_CNT_INT_11          25
  65 #define FIQ_CNT_INT_12          26
  66 #define FIQ_CNT_INT_13          27
  67 #define FIQ_CNT_INT_14          28
  68 #define FIQ_CNT_INT_15          29
  69
  70 #define FIQ_CIRC_BUFF           30      /*Start of circular buffer */
  71
  72 #ifndef __ASSEMBLER__
  73 extern unsigned int fiq_buffer[];
  74 extern unsigned char qwerty_fiqin_start, qwerty_fiqin_end;
  75
  76 extern void __init ams_delta_init_fiq(void);
  77 #endif
  78
  79 #endif