1 /* $NetBSD: irqhandler.h,v 1.9 2009/03/14 14:45:51 dsl 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 */ 219