/* $NetBSD: irqhandler.h,v 1.16 1998/09/08 03:10:07 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 Mark Brinicombe * for the NetBSD Project. * 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 THE AUTHOR ``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 THE AUTHOR 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. * * IRQ related stuff (defines + structures) * * Created : 30/09/94 */ #ifndef _ARM32_IRQHANDLER_H_ #define _ARM32_IRQHANDLER_H_ #if defined(_KERNEL) && !defined(_LKM) #include "opt_cputypes.h" #endif #ifndef _LOCORE #include #endif /* _LOCORE */ /* Define the IRQ bits */ /* * XXX this is really getting rather horrible. * Shortly to be replaced with system specific interrupt tables and handling */ #if defined(RISCPC) || defined(CPU_ARM7500) #ifdef CPU_ARM7500 /*#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_DREQ3 0x08 /*#define IRQ_HD1 0x09*/ /*#define IRQ_HD IRQ_HD1*/ #define IRQ_DREQ2 0x0A /*#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_IRQ11 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 /* * Note that Sound DMA IRQ is on the 31st vector. * It's not part of the IRQD. */ #define IRQ_SDMA 0x1F /* Several interrupts are different between the A7000 and RC7500 */ #ifdef RC7500 #define IRQ_FIQDOWN 0x07 #define IRQ_ETHERNET 0x0B #define IRQ_HD2 IRQ_IRQ11 #else /* RC7500 */ #define IRQ_RESERVED1 0x07 #define IRQ_EXTENDED 0x0B #define IRQ_PODULE 0x0D #define IRQ_EXPCARD0 0x20 #define IRQ_EXPCARD1 0x21 #define IRQ_EXPCARD2 0x22 #define IRQ_EXPCARD3 0x23 #define IRQ_EXPCARD4 0x24 #define IRQ_EXPCARD5 0x25 #define IRQ_EXPCARD6 0x26 #define IRQ_EXPCARD7 0x27 #endif /* RC7500 */ #else /* CPU_ARM7500 */ #ifdef RISCPC /*#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 /* RISCPC */ #endif /* CPU_ARM7500 */ #endif /* RISPC || CPU_ARM7500 */ #ifdef OFWGENCFG /* These are just made up for now! -JJK */ #define IRQ_TIMER0 0 #endif /* XXX why is this in ARM7500? */ #ifdef SHARK /* * shark hardware requirements for IRQ's: * IDE: 14 (hardwired) * PCI: 5, 9, 10, 11, 15(mapped to UMIPCI inta, intb, intc, intd) * UMIISA: 10, 11, 12 * SuperIO: 1, 3..12, 14, 15(all may be remapped. defaults as follows.) * KBC: 1 * USI: 3 (UART with Slow Infrared support) * UART: 4 * FLOPPY: 6 (not currently used on shark) * PARALLEL: 7 * RTC: 8 (not used on shark: RTC in sequoia used) * MOUSE: 12 * Sequoia: 8 (internal RTC hardwired to irq 8) * Codec: 5, 7, 9, 10, 15 (irqe, connected to 15, has special status.) * CS8900: 5, 10, 11, 12 (P.14 of datasheet sez only 1 used/time) * FERR#: 13 (unconnected floating point error) * * total of 15 irqs: * timer, ide, 2 umi = isa/pci, ethernet, 2 codec, kb, usi, uart, floppy, * parallel, rtc, mouse, ferr (irq 13) * * eventually, need to read the OFW dev info tree, and allocate IRQs. * hardcoded for now. */ #define IRQ_TIMER0 0x00 /* hardwired to 8254 counter 0 in sequoia */ #define IRQ_KEYBOARD 0x01 #define IRQ_CASCADE 0x02 /* hardwired IRQ for second 8259 = IRQ_SLAVE */ #define IRQ_USI 0x03 #define IRQ_UART 0x04 #define IRQ_ETHERNET 0x05 #define IRQ_FLOPPY 0x06 #define IRQ_PARALLEL 0x07 #define IRQ_RTC 0x08 /* hardwired to the sequoia RTC */ #define IRQ_CODEC1 0x09 #define IRQ_UMI1 0x0A /* isa or pci */ #define IRQ_UMI2 0x0B /* isa or pci */ #define IRQ_MOUSE 0x0C #define IRQ_FERR 0x0D /* FERR# pin on sequoia needs to be connected */ #define IRQ_IDE 0x0E /* hardwired to the IDE connector */ #define IRQ_CODEC2 0x0F /* special interrupt on codec */ /* XXX should this go into isa_machdep.h. Somewhere else? */ /* Interrupt sharing types. */ #define IST_NONE 0 /* none */ #define IST_PULSE 1 /* pulsed */ #define IST_EDGE 2 /* edge-triggered */ #define IST_LEVEL 3 /* level-triggered */ #endif /* SHARK */ #define IRQ_VSYNC IRQ_FLYBACK /* Aliased */ #define IRQ_NETSLOT IRQ_EXTENDED #define IRQ_INSTRUCT -1 #define NIRQS 0x20 #include #ifndef _LOCORE typedef struct irqhandler { int (*ih_func) __P((void *arg));/* handler function */ void *ih_arg; /* Argument to handler */ int ih_level; /* Interrupt level */ int ih_num; /* Interrupt number (for accounting) */ const char *ih_name; /* Name of interrupt (for vmstat -i) */ u_int ih_flags; /* Interrupt flags */ u_int ih_maskaddr; /* mask address for expansion cards */ u_int ih_maskbits; /* interrupt bit for expansion cards */ struct irqhandler *ih_next; /* next handler */ } irqhandler_t; #ifdef _KERNEL extern u_int irqmasks[IPL_LEVELS]; extern irqhandler_t *irqhandlers[NIRQS]; void irq_init __P((void)); int irq_claim __P((int, irqhandler_t *)); int irq_release __P((int, irqhandler_t *)); void *intr_claim __P((int irq, int level, const char *name, int (*func) __P((void *)), void *arg)); int intr_release __P((void *ih)); void irq_setmasks __P((void)); void disable_irq __P((int)); void enable_irq __P((int)); #endif /* _KERNEL */ #endif /* _LOCORE */ #define IRQ_FLAG_ACTIVE 0x00000001 /* This is the active handler in list */ #ifndef _LOCORE typedef struct fiqhandler { void (*fh_func) __P((void));/* 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 _KERNEL int fiq_claim __P((fiqhandler_t *)); int fiq_release __P((fiqhandler_t *)); #endif /* _KERNEL */ #endif /* _LOCORE */ #endif /* _ARM32_IRQHANDLER_H_ */ /* End of irqhandler.h */