sys/arch/acorn32/include/irqhandler.h

   1 /*      $NetBSD: irqhandler.h,v 1.8 2008/04/29 17:09:47 matt Exp $      */
   2
   3 /*
   4  * Copyright (c) 1994-1996 Mark Brinicombe.
   5  * Copyright (c) 1994 Brini.
   6  * All rights reserved.
   7  *
   8  * This code is derived from software written for Brini by Mark Brinicombe
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by Mark Brinicombe
  21  *      for the NetBSD Project.
  22  * 4. The name of the company nor the name of the author may be used to
  23  *    endorse or promote products derived from this software without specific
  24  *    prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  27  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  28  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  29  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  30  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  31  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  32  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  * IRQ related stuff (defines + structures)
  39  *
  40  * Created      : 30/09/94
  41  */
  42
  43 #ifndef _ARM32_IRQHANDLER_H_
  44 #define _ARM32_IRQHANDLER_H_
  45
  46 #if defined(_KERNEL_OPT)
  47 #include "iomd.h"
  48 #endif
  49
  50 #ifndef _LOCORE
  51 #include <sys/types.h>
  52 #endif /* _LOCORE */
  53
  54 /* Define the IRQ bits */
  55
  56 /*
  57  * XXX this is really getting rather horrible.
  58  * Shortly to be replaced with system specific interrupt tables and handling
  59  */
  60
  61 #if NIOMD > 0
  62
  63 /* Only for ARM7500 : */
  64
  65 /*#define IRQ_PRINTER   0x00*/
  66 #define IRQ_INT2        0x00
  67 /*#define IRQ_RESERVED0 0x01*/
  68 #define IRQ_BUTTON      0x02
  69 #define IRQ_NINT1       0x02
  70 #define IRQ_FLYBACK     0x03
  71 #define IRQ_NPOR        0x04
  72 #define IRQ_TIMER0      0x05
  73 #define IRQ_TIMER1      0x06
  74 #define IRQ_SOFTINT     0x07
  75
  76 #define IRQ_DREQ3       0x08
  77 #define IRQ_NINT8       0x08
  78 /*#define IRQ_HD1       0x09*/
  79 #define IRQ_INT7        0x09
  80 /*#define IRQ_HD        IRQ_HD1*/
  81 #define IRQ_DREQ2       0x0A
  82 #define IRQ_NINT6       0x0A
  83 #define IRQ_INT5        0x0B
  84 /*#define IRQ_FLOPPY    0x0C*/
  85 #define IRQ_NINT4       0x0C
  86 /*#define IRQ_SERIAL    0x0D*/
  87 #define IRQ_NINT3       0x0D
  88 #define IRQ_KBDTX       0x0E
  89 #define IRQ_KBDRX       0x0F
  90
  91 #define IRQ_IRQ3        0x10
  92 #define IRQ_IRQ4        0x11
  93 #define IRQ_IRQ5        0x12
  94 #define IRQ_IRQ6        0x13
  95 #define IRQ_IRQ7        0x14
  96 #define IRQ_IRQ9        0x15
  97 #define IRQ_IRQ10       0x16
  98 #define IRQ_IRQ11       0x17
  99
 100 #define IRQ_IOP0        0x10
 101 #define IRQ_IOP1        0x11
 102 #define IRQ_IOP2        0x12
 103 #define IRQ_IOP3        0x13
 104 #define IRQ_IOP4        0x14
 105 #define IRQ_IOP5        0x15
 106 #define IRQ_IOP6        0x16
 107 #define IRQ_IOP7        0x17
 108
 109 #define IRQ_MSDRX       0x18
 110 #define IRQ_MSDTX       0x19
 111 #define IRQ_ATOD        0x1A
 112 #define IRQ_NEVENT1     0x1B
 113 #define IRQ_CLOCK       0x1B
 114 #define IRQ_NEVENT2     0x1C
 115 #define IRQ_PANIC       0x1C
 116 /*#define IRQ_RESERVED2 0x1D*/
 117 /*#define IRQ_RESERVED3 0x1E*/
 118
 119
 120 /*
 121  * Note that Sound DMA IRQ is on the 31st vector.
 122  * It's not part of the IRQD.
 123  */
 124 #define IRQ_SDMA        0x1F
 125
 126 /* Several interrupts are different between the A7000 and RC7500 */
 127 #ifdef RC7500
 128
 129 #define IRQ_FIQDOWN     0x07
 130 #define IRQ_ETHERNET    0x0B
 131 #define IRQ_HD2         IRQ_IRQ11
 132
 133 #else   /* RC7500 */
 134
 135 /*#define IRQ_RESERVED1 0x07 */
 136 #define IRQ_EXTENDED    0x0B
 137 #define IRQ_PODULE      0x0D
 138
 139 #endif  /* RC7500 */
 140
 141
 142
 143
 144 /* for non ARM7500 machines : */
 145
 146 /*#define IRQ_PRINTER   0x00*/
 147 /*#define IRQ_RESERVED0 0x01*/
 148 /*#define IRQ_FLOPPYIDX 0x02*/
 149 #define IRQ_FLYBACK     0x03
 150 #define IRQ_POR         0x04
 151 #define IRQ_TIMER0      0x05
 152 #define IRQ_TIMER1      0x06
 153 /*#define IRQ_RESERVED1 0x07*/
 154
 155 /*#define IRQ_RESERVED2 0x08*/
 156 /*#define IRQ_HD        0x09*/
 157 /*#define IRQ_SERIAL    0x0A*/
 158 #define IRQ_EXTENDED    0x0B
 159 /*#define IRQ_FLOPPY    0x0C*/
 160 #define IRQ_PODULE      0x0D
 161 #define IRQ_KBDTX       0x0E
 162 #define IRQ_KBDRX       0x0F
 163
 164 #define IRQ_DMACH0      0x10
 165 #define IRQ_DMACH1      0x11
 166 #define IRQ_DMACH2      0x12
 167 #define IRQ_DMACH3      0x13
 168 #define IRQ_DMASCH0     0x14
 169 #define IRQ_DMASCH1     0x15
 170 /*#define IRQ_RESERVED3 0x16*/
 171 /*#define IRQ_RESERVED4 0x17*/
 172
 173
 174
 175 #endif  /* NIOMD > 0 */
 176
 177 #define IRQ_VSYNC       IRQ_FLYBACK     /* Aliased */
 178 #define IRQ_NETSLOT     IRQ_EXTENDED
 179
 180 #define IRQ_INSTRUCT    -1
 181 #define NIRQS           0x20
 182
 183 #include <machine/intr.h>
 184
 185 #ifndef _LOCORE
 186 typedef struct irqhandler {
 187         int (*ih_func)(void *arg);/* handler function */
 188         void *ih_arg;                   /* Argument to handler */
 189         int ih_level;                   /* Interrupt level */
 190         int ih_num;                     /* Interrupt number (for accounting) */
 191         const char *ih_name;            /* Name of interrupt (for vmstat -i) */
 192         u_int ih_flags;                 /* Interrupt flags */
 193         u_int ih_maskaddr;              /* mask address for expansion cards */
 194         u_int ih_maskbits;              /* interrupt bit for expansion cards */
 195         struct irqhandler *ih_next;     /* next handler */
 196 } irqhandler_t;
 197
 198 #ifdef _KERNEL
 199 extern u_int irqmasks[NIPL];
 200 extern irqhandler_t *irqhandlers[NIRQS];
 201
 202 void irq_init(void);
 203 int irq_claim(int, irqhandler_t *);
 204 int irq_release(int, irqhandler_t *);
 205 void *intr_claim(int irq, int level, const char *name, int (*func)(void *), void *arg);
 206 int intr_release(void *ih);
 207 void irq_setmasks(void);
 208 void disable_irq(int);
 209 void enable_irq(int);
 210 void stray_irqhandler(u_int);
 211 #endif  /* _KERNEL */
 212 #endif  /* _LOCORE */
 213
 214 #define IRQ_FLAG_ACTIVE 0x00000001      /* This is the active handler in list */
 215
 216 #endif  /* _ARM32_IRQHANDLER_H_ */
 217
 218 /* End of irqhandler.h */