picvar.h revision 1.2
1 1.2 garbled /* $NetBSD: picvar.h,v 1.2 2007/10/17 19:56:46 garbled Exp $ */ 2 1.2 garbled 3 1.2 garbled /*- 4 1.2 garbled * Copyright (c) 2007 Michael Lorenz 5 1.2 garbled * All rights reserved. 6 1.2 garbled * 7 1.2 garbled * Redistribution and use in source and binary forms, with or without 8 1.2 garbled * modification, are permitted provided that the following conditions 9 1.2 garbled * are met: 10 1.2 garbled * 1. Redistributions of source code must retain the above copyright 11 1.2 garbled * notice, this list of conditions and the following disclaimer. 12 1.2 garbled * 2. Redistributions in binary form must reproduce the above copyright 13 1.2 garbled * notice, this list of conditions and the following disclaimer in the 14 1.2 garbled * documentation and/or other materials provided with the distribution. 15 1.2 garbled * 3. Neither the name of The NetBSD Foundation nor the names of its 16 1.2 garbled * contributors may be used to endorse or promote products derived 17 1.2 garbled * from this software without specific prior written permission. 18 1.2 garbled * 19 1.2 garbled * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 garbled * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 garbled * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 garbled * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 garbled * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 garbled * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 garbled * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 garbled * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 garbled * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 garbled * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 garbled * POSSIBILITY OF SUCH DAMAGE. 30 1.2 garbled */ 31 1.2 garbled 32 1.2 garbled #include <sys/cdefs.h> 33 1.2 garbled __KERNEL_RCSID(0, "$NetBSD: picvar.h,v 1.2 2007/10/17 19:56:46 garbled Exp $"); 34 1.2 garbled 35 1.2 garbled #ifndef PIC_VAR_H 36 1.2 garbled #define PIC_VAR_H 37 1.2 garbled 38 1.2 garbled #include <machine/intr.h> 39 1.2 garbled 40 1.2 garbled struct pic_ops { 41 1.2 garbled void *pic_cookie; /* private stuff / hardware info */ 42 1.2 garbled int pic_intrbase; /* global number of the 1st IRQ we handle */ 43 1.2 garbled int pic_numintrs; /* how many IRQs do we handle? */ 44 1.2 garbled /* 45 1.2 garbled * all functions that take an IRQ number as argument need a local 46 1.2 garbled * interrupt number 47 1.2 garbled */ 48 1.2 garbled void (*pic_enable_irq)(struct pic_ops *, int, int); 49 1.2 garbled void (*pic_reenable_irq)(struct pic_ops *, int, int); 50 1.2 garbled void (*pic_disable_irq)(struct pic_ops *, int); 51 1.2 garbled int (*pic_get_irq)(struct pic_ops *); 52 1.2 garbled void (*pic_ack_irq)(struct pic_ops *, int); /* IRQ numbner */ 53 1.2 garbled /* IRQ number, type, priority */ 54 1.2 garbled void (*pic_establish_irq)(struct pic_ops *, int, int, int); 55 1.2 garbled /* finish setup after CPUs are attached */ 56 1.2 garbled void (*pic_finish_setup)(struct pic_ops *); 57 1.2 garbled char pic_name[16]; 58 1.2 garbled }; 59 1.2 garbled 60 1.2 garbled struct intr_source { 61 1.2 garbled int is_type; 62 1.2 garbled int is_level; 63 1.2 garbled int is_hwirq; 64 1.2 garbled int is_mask; 65 1.2 garbled struct intrhand *is_hand; 66 1.2 garbled struct pic_ops *is_pic; 67 1.2 garbled struct evcnt is_ev; 68 1.2 garbled char is_source[16]; 69 1.2 garbled }; 70 1.2 garbled 71 1.2 garbled struct i8259_ops { 72 1.2 garbled struct pic_ops pic; 73 1.2 garbled uint32_t pending_events; 74 1.2 garbled uint32_t enable_mask; 75 1.2 garbled uint32_t irqs; 76 1.2 garbled }; 77 1.2 garbled 78 1.2 garbled /* 79 1.2 garbled * add a pic, fill in pic_intrbase, return pic_intrbase on success, 80 1.2 garbled * -1 otherwise 81 1.2 garbled * the PIC must be initialized and ready for use 82 1.2 garbled */ 83 1.2 garbled int pic_add(struct pic_ops *); 84 1.2 garbled 85 1.2 garbled void pic_do_pending_int(void); 86 1.2 garbled void pic_enable_irq(int); 87 1.2 garbled void pic_disable_irq(int); 88 1.2 garbled int pic_handle_intr(void *); 89 1.2 garbled void pic_mark_pending(int); 90 1.2 garbled void pic_ext_intr(void); 91 1.2 garbled void pic_init(void); 92 1.2 garbled const char *intr_typename(int); 93 1.2 garbled void dummy_pic_establish_intr(struct pic_ops *, int, int, int); 94 1.2 garbled 95 1.2 garbled /* this is called after attaching CPUs so PICs can setup interrupt routing */ 96 1.2 garbled void pic_finish_setup(void); 97 1.2 garbled 98 1.2 garbled /* address, enable passthrough */ 99 1.2 garbled #define PIC_IVR_IBM 0 100 1.2 garbled #define PIC_IVR_MOT 1 101 1.2 garbled struct pic_ops *setup_openpic(void *, int); 102 1.2 garbled struct pic_ops *setup_prepivr(int); 103 1.2 garbled struct pic_ops *setup_i8259(void); 104 1.2 garbled 105 1.2 garbled /* i8259 common decls */ 106 1.2 garbled void i8259_initialize(void); 107 1.2 garbled void i8259_enable_irq(struct pic_ops *, int, int); 108 1.2 garbled void i8259_disable_irq(struct pic_ops *, int); 109 1.2 garbled void i8259_ack_irq(struct pic_ops *, int); 110 1.2 garbled int i8259_get_irq(struct pic_ops *); 111 1.2 garbled 112 1.2 garbled /* IPI handler */ 113 1.2 garbled int cpuintr(void *); 114 1.2 garbled /* XXX - may need to be PIC specific */ 115 1.2 garbled #define IPI_VECTOR 64 116 1.2 garbled 117 1.2 garbled #endif /* PIC_VAR_H */ 118
Indexes created Sun Sep 28 16:09:52 GMT 2025