/* $NetBSD: irqhandler.h,v 1.4 1996/03/28 21:29:32 mark Exp $ */ /* * Copyright (c) 1994-1996 Mark Brinicombe. * Copyright (c) 1994 Brini. * All rights reserved. * * This code is derived from software written for Brini by Mark Brinicombe * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Brini. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * RiscBSD kernel project * * irq.h * * IRQ related stuff * * Created : 30/09/94 */ #include typedef struct irqhandler { int (*ih_func)(); /* handler function */ void *ih_arg; /* Argument to handler */ int ih_level; /* Interrupt level */ int ih_num; /* Interrupt number (for accounting) */ char *ih_name; /* Name of interrupt (for vmstat -i) */ unsigned int ih_flags; /* Interrupt flags */ unsigned int *ih_irqmask; /* mask location for expansion cards */ unsigned int ih_irqbit; /* interrupt bit for expansion cards */ struct irqhandler *ih_next; /* next handler */ } irqhandler_t; #define IRQ_FLAG_ACTIVE 0x00000001 /* This is the active handler in list */ /* Define the IRQ bits */ #ifdef RC7500 /*#define IRQ_PRINTER 0x00*/ #define IRQ_RESERVED0 0x01 #define IRQ_BUTTON 0x02 #define IRQ_FLYBACK 0x03 #define IRQ_POR 0x04 #define IRQ_TIMER0 0x05 #define IRQ_TIMER1 0x06 #define IRQ_FIQDOWN 0x07 #define IRQ_DREQ3 0x08 /*#define IRQ_HD1 0x09*/ /*#define IRQ_HD IRQ_HD1*/ #define IRQ_DREQ2 0x0A #define IRQ_ETHERNET 0x0B /*#define IRQ_FLOPPY 0x0C*/ /*#define IRQ_SERIAL 0x0D*/ #define IRQ_KBDTX 0x0E #define IRQ_KBDRX 0x0F #define IRQ_IRQ3 0x10 #define IRQ_IRQ4 0x11 #define IRQ_IRQ5 0x12 #define IRQ_IRQ6 0x13 #define IRQ_IRQ7 0x14 #define IRQ_IRQ9 0x15 #define IRQ_IRQ10 0x16 #define IRQ_HD2 0x17 #define IRQ_MSDRX 0x18 #define IRQ_MSDTX 0x19 #define IRQ_ATOD 0x1A #define IRQ_CLOCK 0x1B #define IRQ_PANIC 0x1C #define IRQ_RESERVED2 0x1D #define IRQ_RESERVED3 0x1E #define IRQ_RESERVED1 IRQ_RESERVED2 /* * Note that Sound DMA IRQ is on the 31st vector. * It's not part of the IRQD. */ #define IRQ_SDMA 0x1F #else /* RC7500 */ /*#define IRQ_PRINTER 0x00*/ #define IRQ_RESERVED0 0x01 /*#define IRQ_FLOPPYIDX 0x02*/ #define IRQ_FLYBACK 0x03 #define IRQ_POR 0x04 #define IRQ_TIMER0 0x05 #define IRQ_TIMER1 0x06 #define IRQ_RESERVED1 0x07 #define IRQ_RESERVED2 0x08 /*#define IRQ_HD 0x09*/ /*#define IRQ_SERIAL 0x0A*/ #define IRQ_EXTENDED 0x0B /*#define IRQ_FLOPPY 0x0C*/ #define IRQ_PODULE 0x0D #define IRQ_KBDTX 0x0E #define IRQ_KBDRX 0x0F #define IRQ_DMACH0 0x10 #define IRQ_DMACH1 0x11 #define IRQ_DMACH2 0x12 #define IRQ_DMACH3 0x13 #define IRQ_DMASCH0 0x14 #define IRQ_DMASCH1 0x15 #define IRQ_RESERVED3 0x16 #define IRQ_RESERVED4 0x17 #define IRQ_EXPCARD0 0x18 #define IRQ_EXPCARD1 0x19 #define IRQ_EXPCARD2 0x1A #define IRQ_EXPCARD3 0x1B #define IRQ_EXPCARD4 0x1C #define IRQ_EXPCARD5 0x1D #define IRQ_EXPCARD6 0x1E #define IRQ_EXPCARD7 0x1F #endif /* RC7500 */ #define IRQ_VSYNC IRQ_FLYBACK /* Aliased */ #define IRQ_NETSLOT IRQ_EXTENDED #define IRQ_SOFTNET IRQ_RESERVED0 /* Emulated */ #define IRQMASK_SOFTNET (1 << IRQ_SOFTNET) #define IRQ_SOFTCLOCK IRQ_RESERVED1 /* Emulated */ #define IRQMASK_SOFTCLOCK (1 << IRQ_SOFTCLOCK) #define IRQ_INSTRUCT -1 #define NIRQS 0x20 /* Define the various Interrupt Priority Levels */ /* Interrupt Priority Levels are not mutually exclusive. */ #define IPL_NONE -1 #define IPL_BIO 0 /* block I/O */ #define IPL_NET 1 /* network */ #define IPL_TTY 2 /* terminal */ #define IPL_CLOCK 3 /* clock */ #define IPL_IMP 4 /* memory allocation */ #define IRQ_LEVELS 5 #ifdef _KERNEL extern u_int irqmasks[IRQ_LEVELS]; void irq_init __P(()); int irq_claim __P((int, irqhandler_t *)); int irq_release __P((int, irqhandler_t *)); void irq_setmasks __P((void)); void disable_irq __P((int)); void enable_irq __P((int)); u_int enable_interrupts __P((u_int)); u_int disable_interrupts __P((u_int)); u_int restore_interrupts __P((u_int)); #endif typedef struct fiqhandler { void (*fh_func)(); /* handler function */ u_int fh_size; /* Size of handler function */ u_int fh_mask; /* FIQ mask */ u_int fh_r8; /* FIQ mode r8 */ u_int fh_r9; /* FIQ mode r9 */ u_int fh_r10; /* FIQ mode r10 */ u_int fh_r11; /* FIQ mode r11 */ u_int fh_r12; /* FIQ mode r12 */ u_int fh_r13; /* FIQ mode r13 */ } fiqhandler_t; #ifdef RC7500 int fiq_claim __P((int, fiqhandler_t *)); int fiq_release __P((int, fiqhandler_t *)); #else int fiq_claim __P((fiqhandler_t *)); int fiq_release __P((fiqhandler_t *)); #endif /* End of irqhandler.h */