irqhandler.h revision 1.1
1 /* $NetBSD: irqhandler.h,v 1.1 2001/10/05 22:27:50 reinoud 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_RESERVED0 0x01*/ 67 #define IRQ_BUTTON 0x02 68 #define IRQ_FLYBACK 0x03 69 #define IRQ_POR 0x04 70 #define IRQ_TIMER0 0x05 71 #define IRQ_TIMER1 0x06 72 73 #define IRQ_DREQ3 0x08 74 /*#define IRQ_HD1 0x09*/ 75 /*#define IRQ_HD IRQ_HD1*/ 76 #define IRQ_DREQ2 0x0A 77 /*#define IRQ_FLOPPY 0x0C*/ 78 /*#define IRQ_SERIAL 0x0D*/ 79 #define IRQ_KBDTX 0x0E 80 #define IRQ_KBDRX 0x0F 81 82 #define IRQ_IRQ3 0x10 83 #define IRQ_IRQ4 0x11 84 #define IRQ_IRQ5 0x12 85 #define IRQ_IRQ6 0x13 86 #define IRQ_IRQ7 0x14 87 #define IRQ_IRQ9 0x15 88 #define IRQ_IRQ10 0x16 89 #define IRQ_IRQ11 0x17 90 91 #define IRQ_MSDRX 0x18 92 #define IRQ_MSDTX 0x19 93 #define IRQ_ATOD 0x1A 94 #define IRQ_CLOCK 0x1B 95 #define IRQ_PANIC 0x1C 96 /*#define IRQ_RESERVED2 0x1D*/ 97 /*#define IRQ_RESERVED3 0x1E*/ 98 99 100 /* 101 * Note that Sound DMA IRQ is on the 31st vector. 102 * It's not part of the IRQD. 103 */ 104 #define IRQ_SDMA 0x1F 105 106 /* Several interrupts are different between the A7000 and RC7500 */ 107 #ifdef RC7500 108 109 #define IRQ_FIQDOWN 0x07 110 #define IRQ_ETHERNET 0x0B 111 #define IRQ_HD2 IRQ_IRQ11 112 113 #else /* RC7500 */ 114 115 /*#define IRQ_RESERVED1 0x07 */ 116 #define IRQ_EXTENDED 0x0B 117 #define IRQ_PODULE 0x0D 118 119 #endif /* RC7500 */ 120 121 122 123 124 /* for non ARM7500 machines : */ 125 126 /*#define IRQ_PRINTER 0x00*/ 127 /*#define IRQ_RESERVED0 0x01*/ 128 /*#define IRQ_FLOPPYIDX 0x02*/ 129 #define IRQ_FLYBACK 0x03 130 #define IRQ_POR 0x04 131 #define IRQ_TIMER0 0x05 132 #define IRQ_TIMER1 0x06 133 /*#define IRQ_RESERVED1 0x07*/ 134 135 /*#define IRQ_RESERVED2 0x08*/ 136 /*#define IRQ_HD 0x09*/ 137 /*#define IRQ_SERIAL 0x0A*/ 138 #define IRQ_EXTENDED 0x0B 139 /*#define IRQ_FLOPPY 0x0C*/ 140 #define IRQ_PODULE 0x0D 141 #define IRQ_KBDTX 0x0E 142 #define IRQ_KBDRX 0x0F 143 144 #define IRQ_DMACH0 0x10 145 #define IRQ_DMACH1 0x11 146 #define IRQ_DMACH2 0x12 147 #define IRQ_DMACH3 0x13 148 #define IRQ_DMASCH0 0x14 149 #define IRQ_DMASCH1 0x15 150 /*#define IRQ_RESERVED3 0x16*/ 151 /*#define IRQ_RESERVED4 0x17*/ 152 153 154 155 #endif /* NIOMD > 0 */ 156 157 #define IRQ_VSYNC IRQ_FLYBACK /* Aliased */ 158 #define IRQ_NETSLOT IRQ_EXTENDED 159 160 #define IRQ_INSTRUCT -1 161 #define NIRQS 0x20 162 163 #include <machine/intr.h> 164 165 #ifndef _LOCORE 166 typedef struct irqhandler { 167 int (*ih_func) __P((void *arg));/* handler function */ 168 void *ih_arg; /* Argument to handler */ 169 int ih_level; /* Interrupt level */ 170 int ih_num; /* Interrupt number (for accounting) */ 171 const char *ih_name; /* Name of interrupt (for vmstat -i) */ 172 u_int ih_flags; /* Interrupt flags */ 173 u_int ih_maskaddr; /* mask address for expansion cards */ 174 u_int ih_maskbits; /* interrupt bit for expansion cards */ 175 struct irqhandler *ih_next; /* next handler */ 176 } irqhandler_t; 177 178 #ifdef _KERNEL 179 extern u_int irqmasks[IPL_LEVELS]; 180 extern irqhandler_t *irqhandlers[NIRQS]; 181 182 void irq_init __P((void)); 183 int irq_claim __P((int, irqhandler_t *)); 184 int irq_release __P((int, irqhandler_t *)); 185 void *intr_claim __P((int irq, int level, const char *name, int (*func) __P((void *)), void *arg)); 186 int intr_release __P((void *ih)); 187 void irq_setmasks __P((void)); 188 void disable_irq __P((int)); 189 void enable_irq __P((int)); 190 #endif /* _KERNEL */ 191 #endif /* _LOCORE */ 192 193 #define IRQ_FLAG_ACTIVE 0x00000001 /* This is the active handler in list */ 194 195 #ifndef _LOCORE 196 typedef struct fiqhandler { 197 void (*fh_func) __P((void));/* handler function */ 198 u_int fh_size; /* Size of handler function */ 199 u_int fh_mask; /* FIQ mask */ 200 u_int fh_r8; /* FIQ mode r8 */ 201 u_int fh_r9; /* FIQ mode r9 */ 202 u_int fh_r10; /* FIQ mode r10 */ 203 u_int fh_r11; /* FIQ mode r11 */ 204 u_int fh_r12; /* FIQ mode r12 */ 205 u_int fh_r13; /* FIQ mode r13 */ 206 } fiqhandler_t; 207 208 #ifdef _KERNEL 209 int fiq_claim __P((fiqhandler_t *)); 210 int fiq_release __P((fiqhandler_t *)); 211 #endif /* _KERNEL */ 212 #endif /* _LOCORE */ 213 214 #endif /* _ARM32_IRQHANDLER_H_ */ 215 216 /* End of irqhandler.h */ 217
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